A method for controlling a first reference temperature in a device (1) for compressing gas, the device (1) including an oil-injected element (2) for compressing the gas; an oil injection pipe network (6) for injecting oil into the oil-injected element (2), including: an apportioning means (8) for apportioning the oil into a first part and into a second part; an oil cooler (10) cooled by a fan (9), for cooling the first part; and a bypass (11) for diverting the second part past the oil cooler (10). An apportioning proportion of the first part is controlled to a required apportioning proportion, and subsequently a speed of the fan (9) is controlled to a required speed optionally on the basis of the apportioning proportion, wherein the apportioning proportion is controlled by a control unit (15) on the basis of a non-fuzzy logic algorithm.
According to an embodiment, a housing is disclosed for providing a permanent-magnet motor for driving an impeller (210) of an air blower (101) to be provided with an air cooling, comprising a cylindrical cavity (211) for housing the permanent-magnet motor, and further comprising two openings (213, 214) at the first and second end of the cavity (211) for guiding an airflow radially toward the motor when housed, a first set of cooling channels between the openings (213, 214) and connected thereto for guiding the airflow tangentially around the motor, and a second set of cooling channels connected to the first set for guiding the airflow radially from the outside of the casing to said first set, wherein the housing further comprises a diversion channel (105) on the outside of the casing for guiding the airflow between the first (213) and second (214) opening, respectively, on the one hand, and the second set on the other hand.
According to an embodiment, there is disclosed a rotor (101) of a permanent-magnet motor, configured to drive an impeller of an air blower, the rotor (101), comprising a shaft and a set of permanent magnets (103) wrapped by a sleeve (102) around the shaft, wherein the shaft further comprises a blind bore (104), configured as cooling channel, the blind bore (104) extending axially and centrally from a first open end to a second closed end, the shaft further comprising a set of open bores (106, 202) connecting to the blind bore (104) at the second closed end and extending towards the outside of the shaft.
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
The invention relates to an apparatus and a method for the centralized control of compressed air systems. In particular, the present invention concerns a method and a device for a compressed air system with a centralized controller system providing automatic tuning procedures to implement the most optimal tuning parameters for the specific site. Controlling a compressor system (100) comprises at least one compressor (101-103) configured to provide compressed air or gas. The automatic tuning method comprising the steps of, gathering initial data by monitoring said compressor system, estimating a new set of data through an estimation unit until the estimated data configured to be different from the initial data, compiling a new set of parameters based on the estimated data, verifying the new set of parameters derived from the estimated data, repeating all of the steps until the verification of the new parameters is achieved, apply the new tuning based on the verified parameters, instructing at least one of the elements in a compressor room (113) to perform the actions in accordance with the tuning procedure.
A method for optimizing a system for pressurized fluid including a piping network which is provided with an inlet and multiple outlets, subjected to a varying load. The method includes determining minimum pressures (PPOireq) required at the outlets (3); determining a measuring period (ΔTm); measuring outlet pressures (PPOi ) during the measuring period (ΔTm); calculating corresponding overpressures (OPPOi); finding the minimal overpressure (OPPOimin); finding the smallest minimal overpressure (SMO) occurring in the piping network (1); decreasing the inlet pressure (PIN) with SMO, when SMO>0; and, evaluating other rearrangements when SMO≤0.
G06F 30/18 - Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
A compressor assembly includes a motor which drives one or more compressor rotors having an oil circulation system including an oil reservoir, an oil cooler and an oil filter, an oil-pump for circulating oil from the oil reservoir to components to be cooled and/or lubricated and back to the oil reservoir wherein the motor has a motor jacket with channels extending in axial directions parallel to the axial direction of a motor shaft in which oil of the oil circulation system circulates.
F04C 18/14 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
Expansion chamber for a compressor device (1), characterized in that the expansion chamber (8) comprises a cylindrical pipe (9) with a first end (10a) that is closed and a second end (10b) that is open and, whereby the cylindrical pipe (9) has a fixed constant diameter (D) over its entire length (L), whereby the second end (10b) provided with means (11) to couple the expansion chamber (8) to the compressor device (1) such that the open second end (10b) of the cylindrical pipe (9) is adjacent to the gasflow in the compressor device (1).
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
Drying device for drying compressed gas, comprising a dryer (4) provided with a drying agent (5) and which is provided with a drying section (6) with an inlet (11) and an outlet (12) and with a regeneration section (7) with an inlet (13) and an outlet (14) for a regeneration gas, wherein a regeneration line (15) is connected to the inlet (13), wherein a branch line (17) is provided at the outlet (12) which connects to the regeneration line (15), wherein a pressure line (10) is connected to the inlet (ID of the drying section (6), wherein a cooler (18) and cooler (19) are incorporated, characterized in that the cooler (18) is cooled by means of a fan (20) and the cooler (19) by means of a chiller (21), wherein the fan (20) is controlled, based on a calculated temperature T1 at the inlet (ID when the chiller (21) is switched off and wherein the chiller (21) is controlled, based on the actual temperature T2 at the inlet (11).
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
A fixed-speed air compressor device (101) is provided with a controller unit (164) for controlling the speed of a motor (120) for driving the compressor (101). The controller unit (164) comprises an inverter (165) to induce discrete speed regulation of the air compressor (101) for generating extra flow and to provide a higher output pressure. Based on the discrete speed regulation, the air compressor (101) runs at increased speed when required per compressor application.
F04B 49/20 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by changing the driving speed
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F04C 28/06 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
F04C 28/08 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
10.
METHOD FOR MONITORING THE OPERATION OF A COMPRESSOR AND SUPPORTING APPARATUS THEREOF
According to an embodiment, there is disclosed a method for monitoring the operation of a compressor, comprising iteratively performing the steps of measuring (107) process quantities indicative of instantaneous operation of the compressor; and estimating (102) the process quantities of the compressor, based on one or more setting parameters (101) of the compressor using a model; comparing (103) the estimated process quantities with the measured process quantities thereby obtaining an instantaneous performance indicator (201); characterised in that the method further comprises the steps of determining a degradation parameter (108), based on a successive series of instantaneous performance indicators; and wherein the estimating (102) is further also done, based on the performance indicator (108); reporting the operation, based on the degradation parameter (108).
An air compressor (101) having an electrical inverter (165) controlling an air compression element (122), with the electrical inverter (165) being internal to the air compressor (101) and housed in an electrical cubicle (123). During an unload and stop phase of the air compressor (101), pressure within a pressure vessel (121) is maintained at an elevated level, reducing the time and power required for the air compressor (101) to return to a fully loaded state.
F04B 49/20 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by changing the driving speed
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F04C 28/06 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
F04C 28/08 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
12.
COMPRESSOR CONTROL WITH PRESSURE-BASED ADAPTIVE FLOW
An air compressor (101) having an electrical inverter (165) controlling the motor (120) being coupled to an air compression element (122), with the electrical inverter (165) within a housing (119) of the air compressor (101). The inverter (165) operates at varying speeds. The inverter (165) can receive a specification of an unload air pressure characteristic and can operate at a speed that corresponds to the specification. There is an inverse relationship between inverter speed and unload air pressure setting.
F04B 49/20 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by changing the driving speed
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F04C 28/06 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
F04C 28/08 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
13.
METHOD FOR DETERMINING A COMPRESSOR OPERATING MARGIN
According to an embodiment, there is disclosed a method for determining an operating margin (206) of a compressor (102) comprising a cooling circuit (101), the method comprising iteratively performing the steps of measuring (200) one or more process variables indicative of an instantaneous operation of the compressor (102); estimating (201) the one or more process variables based on one or more setting parameters of the compressor (102) using a model (203) comprising a heat transfer characteristic between the compressor (102) and the cooling circuit (101), the heat transfer characteristic comprising a contamination parameter; matching (204) the estimated process variables (201) with the measured process variables (202) by changing the contamination parameter; wherein the operating margin (206) is determined (205) based on the contamination parameter.
Oil-injected compressor device (1) provided with at least one oil-injected compressor element (2) with an inlet (5) for gas to be compressed and an outlet (7) for compressed gas, whereby the outlet (7) is connected to an oil separator (9), whereby the oil-injected compressor device (1) is further provided with an oil injection pipe (14) leading from the oil separator (9) to the oil-injected compressor element (2), whereby an oil cooler (15) is incorporated into the oil injection pipe (15), characterized in that a storage (17) for oil is provided in the oil injection pipe (14) downstream of an inlet (16) of the oil cooler (15).
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
A damping element, an element for compressing or expanding a gas, and use of such a damping element The invention relates to a damping element for a bearing, wherein the damping element (1) comprises a ring structure (3), which ring structure (3) comprises an inner ring (4) and an outer ring (5) around it, wherein the inner ring (4) and the outer ring (5) are connected by an intermediate structure (6) having a plurality of slots (7), which slots (7) extend through the ring structure (3) in an axial direction parallel to a rotationally symmetric axis (8) of the inner ring (4), wherein the damping element (1) is configured to secure the inner ring (4) to the bearing, characterized in that the damping element (1) is further configured to secure an annular side of the outer ring (5) to a supporting object laterally along the rotationally symmetric axis (8).
F16C 19/26 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
F16C 27/04 - Ball or roller bearings, e.g. with resilient rolling bodies
F16C 35/077 - Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
F16C 19/00 - Bearings with rolling contact, for exclusively rotary movement
16.
AIR-COOLED PRESSURIZING DEVICE WITH ENERGY RECOVERY FOR COMPRESSING OR PRESSURIZING A FLUID AND PROVIDED WITH AN IMPROVED COOLING
A pressurizing device for compressing a fluid includes a housing, a fluid duct, one or more pressurizing stages each comprising a pressurizing element, a device for forcing an airflow in an air channel through the housing and a liquid-cooling circuit. The liquid-cooling circuit includes a pump for circulating the liquid; liquid-fluid heat exchangers downstream of each pressurizing element; a liquid-liquid heat exchanger for recovery of energy; and a liquid-air heat exchanger located in the air channel. A fluid-air heat-exchanger is provided in the air channel in a fluid duct outlet part of the fluid duct.
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
A method for supplying compressed gas via an assembly (1) having a plurality of liquid-injected elements (6, 8) for compressing gas, wherein the method includes providing a first liquid connection between a first liquid circuit related to a first of the plurality of liquid-injected elements (6) and the second liquid circuit related to a second of the plurality of liquid-injected elements (8).
F16N 1/00 - Constructional modifications of parts of machines or apparatus for the purpose of lubrication
B01D 45/16 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D 50/20 - Combinations of devices covered by groups and
F16N 39/02 - Arrangements for conditioning of lubricants in the lubricating system by cooling
F16N 39/06 - Arrangements for conditioning of lubricants in the lubricating system by filtration
18.
NON-LUBRICATED COMPRESSOR WITH ABRADABLE SEALING ELEMENT AND RELATED METHOD FOR ASSEMBLING IT
The non-lubricated compressor (10) for compressing a gas, comprises: a stationary stator (12) with a housing (18) comprising a rotor cavity (20) delimited by a bottom wall (22), a top wall (24), and a lateral wall (26) connecting said bottom wall (22) and said top wall (24), a rotor element (14) arranged for rotation about an axis (z) within the rotor cavity (20) for compressing a gas therein, a self-supporting sealing element (16) arranged within the rotor cavity (20), wherein the sealing element (16) is made of an abradable carbon material, and comprises a wall portion (34) arranged on an inner surface of the lateral wall (26) of the rotor cavity (20).
F04C 27/00 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
F04C 18/22 - Rotary-piston pumps specially adapted for elastic fluids of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member
19.
METHOD FOR CONTROLLING A COMPRESSOR WHICH PROVIDES THE DRIVE OF A PNEUMATIC TOOL
Method for controlling a compressor which drives a pneumatic tool, with a maximum allowed pressure (p_max) and an associated compressed air consumption (q_max). The method includes the step of regulating the operating pressure (p_compr) of the compressor, and: if the operating pressure (p_compr) is lower than p_max minus a value (Z), controlling the compressor such that the flow rate supplied by the compressor is not limited; and if the operating pressure (p_compr) is higher than or equal to p_max, controlling the compressor such that the flow rate supplied by the compressor does not exceed the compressed air consumption (q_max) at p_max; and if the operating pressure (p_compr) is higher than p_max minus the value (Z) and is lower than p_max, controlling the compressor such that the operating pressure (p_compr) remains lower than p_max.
An apparatus for indirectly determining the dew point of compressed air at a particulate operating pressure including a capacitive sensor for measuring a relative humidity, a heating element for both heating and cooling a fraction of the compressed air, a controller for controlling the heating element based on a measured relative humidity, a temperature sensor for determining the temperature of the fraction. The controller is further configured to control the heating element such that the fraction is maintained at a predetermined constant relative humidity such that the dew point can be determined based on the temperature of the fraction.
G01N 25/70 - Investigating or analysing materials by the use of thermal means by investigating moisture content by investigating dew-point by varying the temperature of the material, e.g. by compression, by expansion
G01N 25/62 - Investigating or analysing materials by the use of thermal means by investigating moisture content by psychrometric means, e.g. wet-and-dry-bulb thermometers
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
A method for cooling an assembly (1) for compressing a gas containing a housing (2) having a plurality of elements for compressing gas, the method comprising:
allowing a cooling air flow (21) to flow from an environment into a first section 3 of a housing (2);
passing the cooling air flow (21) through a plurality of coolers (14, 16, 18) that are arranged in a central section (5) of the housing (2), the cooling air flow (21) being passed from the first section (3) to a second section (4) of the housing (2);
allowing the cooling air flow (21) to flow out from the second section (4) of the housing (2) into the environment.
F04C 11/00 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston typePumping installations
F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
An element for compressing a gas with a housing (2) which encloses a compression chamber (5) with an outlet port (7) connected to the outlet. A rotor (8) is mounted so that the compression chamber (5) is divided into working chambers. A passage (10) extends between the outlet and a working chamber in the compression chamber (5) which is not in adjacent contact with the outlet port (7). The passage has an overpressure valve (11) to open the passage when a pressure difference between the working chamber and the outlet (4) exceeds a preset value. A valve body (12) encloses a buffer space (13) with a variable volume that is in fluid connection with the outlet through a constriction (14), so the volume is reduced and gas from the buffer space (13) flows through the constriction (14) to the outlet upon opening the passage (10).
F04C 28/24 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
24.
METHOD OF ELECTRICALLY POWERING A MOBILE COMPRESSOR
According to an embodiment, there is disclosed an electrically powered mobile com¬ pressor (300) comprising an electric motor (106) for driving a compressor element (107), including an electrical connection (108) for an electricity grid and connected to an electrical distribution device (101), further comprising an on-board charger (103), configured to provide electrical power thereto (101) from the electricity grid (108), a battery management system (104) for supporting power exchange between the distri- bution device (101) and an assembly of one or more rechargeable batteries (109, 202), a controller (100) for measuring an electric consumer current (110) to the electric mo- tor (106), and determining a maximum charging current (112) for the rechargeable batteries (109, 202), wherein the controller (100) is further configured to control the on-board charger (103) such that an electrical power (111) is provided from the elec- tricity grid (108) corresponding to the sum of the consumer current (110) and the max- imum charging current (112).
According to an embodiment, an electrically powered mobile compressor (300) comprising an electric motor (106) for driving a compressor element (107) for supplying a compressed gas and further comprising an electrical connection (108) for a electricity grid is disclosed, the electric motor (106) connected to an electrical distribution device (101) and further an on-board charger (103) to provide electric power to the electrical distribution device (101), a battery management system (104) for supporting a power exchange between the distribution device (101) 101) and rechargeable batteries (109, 202), and a controller (100) configured to coordinate a power exchange between the electricity grid (108), the assembly of one or more rechargeable batteries (109, 202), and the electric motor (106), wherein, when a required power for the electric motor (102) exceeds an available power from the electricity grid (108), it is complemented with a power from the batteries (109, 202).
Compressor assembly including a motor having a motor shaft which drives at least one compressor rotor of a compressor element as well as an oil-pump, in which a compressor rotor includes a compressor rotor part which is mounted on a compressor rotor shaft which is connected to the motor shaft by means of a direct coupling so to form a composed driving shaft and wherein-in which the oil-pump is mounted directly on the composed driving shaft or on another compressor rotor shaft.
F04C 18/10 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
27.
MODEL PREDICTIVE CONTROL OF A COMPRESSED AIR SYSTEM
A computer implemented method for controlling a finite set of components which are fluidly connected to a common compressed air distribution system includes iteratively repeating the steps of: —receiving prediction data for said compressed air distribution system; —receiving characterising data for each component of said set of components; —determining one or more sets of continuously differentiable functions, wherein each of said sets of functions represents a unique sequence of operation of the components in said set of components; —selecting an optimal set of functions from said one or more sets of continuously differentiable functions; wherein the unique sequence of operation represented by said optimal set meets said prediction data; —deriving configuration data for said set of components from said optimal set of functions; —configuring each component of said set of components based on said configuration data.
G05B 19/4155 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
F15B 21/02 - Servomotor systems with programme control derived from a store or timing deviceControl devices therefor
According to an embodiment, there is disclosed a beam-shaped container (101, 200), configured to house a battery pack for an electrically powered mobile compressor (100), the battery pack comprising a set of rechargeable batteries (201), suitable for providing electrical power for a electric motor (116) for driving a compressor element of the mobile compressor (100), permanently supported by a frame (102), wherein the beam-shaped container (101, 200) further comprises a set of holders (210, 211) on the outside of the same surface, the holders positioned to support the frame (102), and wherein each holder (210, 211) comprises a set of connecting elements, configured to reversibly connect the container (101, 200) to the frame (102).
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
According to an embodiment, there is disclosed a mobile compressor (100) for providing a compressed gas by drawing-in ambient air, comprising a battery pack (201), configured to provide electrical power for an electric motor, and a cooling system (203), configured to cool the battery pack (201), comprising a set of conduits (204), comprising a coolant for absorbing heat from the battery pack (201), a pump for circulating the coolant through the conduits (204), a heat exchanger (112, 202) for releasing the absorbed heat to the environment, wherein the heat exchanger (112, 202) is arranged such that, when drawn-in, the ambient air flows past the heat exchanger (112, 202).
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
An element for compressing a gas, having a housing (2) in which a first and second rotor (3, 4) are mounted, wherein the housing (2) is provided with an axial outlet opening (8) formed by: a tongue-shaped protrusion (14) between first and second proximal edge (9b), wherein an edge of the tongue-shaped protrusion (14) is formed by a first and second tongue edge (13a, 13b) that is further from the rotational axis of the first or second rotor (3, 4) than the second or first tongue edge (13a, 13b); and a first tongue edge radius of the first tongue edge (13a) relative to the first rotational axis is smaller than a parallel radius of a first geometric path relative to the first rotational axis, which path is a point of contact, situated furthest from the first rotational axis, between the end surfaces of a first and second lobe (5a, 5b).
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F04C 29/12 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
A drive train, specifically to a direct coupling of a drive shaft to a driven shaft provided in the drive train of a rotary compressor. Additionally, an integration of a lubricant circuit, including all associated channels and components, in the drive train.
F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
F04C 18/08 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
A sand core for casting a screw rotor comprising a main body having two head surfaces and a profile surface having helical lobes extending between the two head surfaces, wherein the sand core (1) comprises an integral piece (2) having an internal cavity (3), wherein the internal cavity (3) is at least partially bounded by the integral piece (2) by means of a rotationally symmetric surface formed by helical grooves (5) about a rotationally symmetric axis, wherein the helical grooves (5) have a profile for forming the helical lobes during casting of the screw rotor, wherein an outer surface of the integral piece (2) is provided with an opening or a plurality of openings (4) extending into the internal cavity (3), characterized in that, the opening or each of the plurality of openings (4) is adjacent to the helical grooves (5).
A sand core for casting a housing of an element for compressing or expanding a gas, wherein the sand core (11) comprises a partial core (12) having a profile for fully or largely forming an inner surface or interior space of the housing, characterized in that, the partial core (12) consists of one integral monoblock structure (13).
A regenerator for regenerating a drying agent in a drying device (1) for compressed gas includes a regeneration line connected to a regeneration inlet of the drying device (1), which regenerating line (10 connects the regeneration inlet to an outlet of a blower for the supply of a regeneration gas. A heater is provided between the outlet of the blower and the regeneration inlet for heating up the regeneration gas. Between the outlet of the blower, on the one hand, and the heater, on the other hand, an additional vessel with drying agent is provided for drying the regeneration gas.
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
An element for compression of a gas to be compressed having a low temperature of −40° C. or lower, which element (1) is provided with a housing (2) containing at least one rotor (3) which is mounted rotatably with its shaft (5) with respect to the housing (2) and with an inlet (6) for the gas to be compressed and an outlet (7) for compressed gas, characterized in that the element (1) is provided with a heating means for an end (9a) of the shaft (5) of the rotor (3) located closest to the inlet (6).
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
A method for controlling an air-cooled device (1) for compressing a gas, which device includes at least one element (2) for compressing the gas, at least one air-cooled cooler (9, 12) for cooling a fluid in the device (1) and two or more fans (10, 13), at least one of the fans (10, 13) being an adjustable-speed fan (13) for generating a flow of cooling air for cooling the air-cooled cooler (9, 12). When the air-cooled cooler (9, 12) does not need to cool, the method includes controlling the speed of the adjustable-speed fan (13) to a minimum required speed in order to avoid at least a backflow of cooling air traveling in a direction opposite to the flow.
A computer-implemented method for estimating a health state of a solenoid valve including a solenoid for supporting a process control system. The method includes the steps of monitoring a current passing through the solenoid, determining a time period between an instant of initiating a state change of the solenoid valve and an instant when the time derivative of the current is discontinue, comparing the time period with a reference time period indicative for the health state of the solenoid valve thereby determining the health state.
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
H01F 7/18 - Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
39.
COMPRESSOR OR VACUUM PUMP SYSTEM AND METHOD FOR COMPRESSING GAS AND COOLING A MEDIUM
Compressor or vacuum pump system with a compressor or vacuum pump device (2) having a compressor or vacuum pump element (3) with an outlet (4) connected to a discharge line (5), wherein the compressor or vacuum pump system (1) includes an adsorption chiller (9) having an evaporator (10), a condenser (11) and at least two vessels (12A,12B), wherein the adsorption chiller (9) is configured to circulate a refrigerant (14), wherein through the condenser (11) passes a first fluid line (18) for a first fluid to condense the refrigerant (14), wherein through a second vessel (12B) passes a second fluid line (20) for a second fluid to heat and regenerate the desiccant (13) in the second vessel (12B), and wherein through the evaporator (10) passes a medium line (16) for a medium to be cooled by the refrigerant to evaporate the refrigerant (14), characterized in that the aforementioned discharge line (5) forms the second fluid line (20).
F25B 1/10 - Compression machines, plants or systems with non-reversible cycle with multi-stage compression
F04D 29/58 - CoolingHeatingDiminishing heat transfer
F25B 17/08 - Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type the absorbent or adsorbent being a solid, e.g. salt
40.
A VESSEL FOR A GAS TREATMENT UNIT AND ASSOCIATED METHOD
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
B01J 8/04 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
B01J 12/00 - Chemical processes in general for reacting gaseous media with gaseous mediaApparatus specially adapted therefor
B01J 19/30 - Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
A computer-implemented method for determining a belt tension of a drive belt of a machine, based on a sound recording, including the steps of initiating a recording of sound, recording the sound during a primary time interval, discretising the sound into time samples, thereby obtaining a data set, filtering the data set, determining an average excitation spectrum, compensating for the average excitation spectrum, determining a confidence coefficient based on a highest and second highest extremum, and when the confidence coefficient exceeds a predefined value, determining the belt tension based on a frequency of the highest extremum.
G01N 29/14 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
G01N 29/11 - Analysing solids by measuring attenuation of acoustic waves
G01N 29/42 - Detecting the response signal by frequency filtering
G01N 29/44 - Processing the detected response signal
G01N 29/46 - Processing the detected response signal by spectral analysis, e.g. Fourier analysis
A device for purifying gas, the device including a vessel having an inlet for gas to be purified and an outlet for purified gas. In the vessel two or more blocks of a purifying agent are arranged which are stacked on top of each other to form a stack, in which a seal is arranged between the stacked blocks, in which the blocks are being held together by: an element extending through the blocks; and/or an enclosure made of a non-elastic or flexible material which is arranged around the stack of blocks; and/or the fact that the seals are glued to the blocks.
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
A vessel for a gas treatment unit and associated method A vessel (10) for an adsorber, comprising: - at least a first aperture (20) configured to receive and to release gas and at least a second aperture (30) configured to release and to receive gas, the first and the second apertures (20, 30) defining a passage (40) between them; - an adsorbent material or catalyst (50) placed between the first and the second apertures (20, 30), the adsorbent material or catalyst (50) being configured to adsorb or trap at least partially at least one component of gas received by the adsorbent material or catalyst (50); - at least a flexible compressible element (60) arranged in said passage (40) configured to fix the adsorbent material or catalyst (50) in said passage (40), the flexible compressible element (60) having a higher compressibility than the adsorbent material or catalyst (50).
B01J 12/00 - Chemical processes in general for reacting gaseous media with gaseous mediaApparatus specially adapted therefor
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 19/30 - Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
B01J 8/04 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
Methods, systems, and apparatuses are provided for improving stability and efficiency of a rotation of a rotor of a compresses-gas dryer system. The compressed-gas dryer system includes a pressure vessel defining a drying zone and a regeneration zone. A compressed gas to be dried is received into the drying zone and dried compressed gas exits the drying zone. A regeneration gas is received into the regeneration zone and exits the regeneration zone. A controller receives temperature data indicative of a temperature of the compressed gas to be dried received into the drying zone, the dried compressed gas exiting the drying zone, the regeneration gas received into the regeneration zone, and/or the regeneration gas exiting the regeneration zone. And based on the temperature data, the controller is configured to control a rotational speed of a rotor provided in the pressure vessel.
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
A device for purifying gas, the device (1) substantially comprising at least one vessel (2) having an inlet (3) for gas to be purified and an outlet (4) for purified gas, two or more blocks (5) of a purifying agent being arranged in the vessel (2), which blocks are stacked on top of each other, characterized in that a positioning element (8) is arranged between two consecutive blocks (5), which positioning element is provided with at least one pin (9) on both sides of the positioning element (8), which pin is arranged in an opening (10) provided in the blocks (5) for this purpose, the positioning element (8) being located completely within the outer circumference (11) of the blocks (5).
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
46.
METHOD, SYSTEM AND DEVICE FOR THE CONTROL OF A COMPRESSOR SYSTEM
Methods, systems, and apparatuses are provided for improving control and efficiency of a compressor system(100). The compressor system includes a controller (106). The controller is configured to predict a future demand for the compressor system, determine an initial sequence based on the predicted future demand, determine an initial set of switching times for the initial sequence, refine the initial switching sequence on the basis of the set of switching times to form a refined switching sequence, iteratively determine a set of switching times for the refined switching sequence and refine the refined switching sequence on the basis of the set of switching times until a final switching sequence and a final set of switching times are obtained, and control operation of the set of components on the basis of the final switching sequence and the final set of switching times.
F04C 23/00 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluidsPumping installations specially adapted for elastic fluidsMulti-stage pumps specially adapted for elastic fluids
F04C 28/02 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for several pumps connected in series or in parallel
47.
COMPOSABLE DRYING UNIT FOR DRYING COMPRESSED GAS ORIGINATING FROM A COMPRESSOR
According to an embodiment, there is disclosed a module (400) configured for composing a drying unit (100) for drying compressed gas (102) consisting of an adsorption air dryer (420), a first connection comprising a first set of valves (412- 413), a second connection comprising a second set of valves (410-411), and further comprising a cooling system (423), a heat exchanger (425), and an ejector (426), the module (400) further comprising a first set of connection points (401-405) as a connection to a set of lines, wherein the lines comprise continuous lines from the first plane to a second plane such that the second plane comprises a second set of connection points (430).
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
Apparatus for discharging or distributing heat for a gas generator (1), wherein the apparatus (11) for discharging heat comprises: - a vessel (2) provided with an outer surface (12) and an inner surface (13); and - means for heat conduction (14) configured to be provided to the said vessel (2); wherein at least one vessel (2) is adapted to contain a heat transporting medium, which heat transporting medium is configured to allow heat discharge during an adsorption phase; wherein the means for heat conduction (14) are configured to continuously allow heat discharge during the operation of the gas generator (1) to be able to extract heat from the said vessel (2); and wherein the heat transporting medium and the means for heat conduction (14) cooperate to make discharging heat from the gas generator (1) possible.
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
An air or gas treatment system, comprising: at least a vessel (10) comprising at least a first aperture (20) configured to receive and to release gas and at least a second aperture (30) configured to release and to receive gas, the first and second apertures (20, 30) defining a passage (40) between them, the passage (40) having an inner cross-sectional area Sv, an adsorbent or catalyst (50) placed in the passage (40), at least a first pipe (60) fluidically connected to the first aperture (20) of the vessel (10), the first pipe (60) having an inner cross-sectional area Sp different from the inner cross-sectional area Sv of the vessel (10), and a structured adsorbent or catalyst (110) in the first pipe (60).
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
A system and method are provided for controlling a multi-modal compressor system (100), the system being configurable to: cause a multi-modal drive controller (164) of the compressor system to control operation of the compressor system according to a first compression mode associated with a first operational profile; determine a first compression mode energy usage based upon data indicative of actual operation of the compressor according to the first compression mode under one or more operational conditions; determine an estimated second compression mode energy usage based upon inferred operation of the compressor according to a second compression mode under the one or more operational conditions, the second compression mode being associated with a second operational profile that is different than the first operational profile; and determine energy savings information based upon one or more comparisons between the first compression mode energy usage and the estimated second compression mode energy usage.
F04B 49/02 - Stopping, starting, unloading or idling control
F04C 28/00 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
F04C 28/06 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
F04C 28/08 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
51.
TEMPERATURE-BASED, SELF-LEARNING CONTROL OF A ROTATIONAL SPEED OF A DRYER.
Methods, systems, and apparatuses are provided for improving stability and efficiency of a rotation of a rotor of a compresses-gas dryer system. The compressed-gas dryer system includes a pressure vessel defining a drying zone and a regeneration zone. A compressed gas to be dried is received into the drying zone and dried compressed gas exits the drying zone. A regeneration gas is received into the regeneration zone and exits the regeneration zone. A controller receives temperature data indicative of a temperature of the compressed gas to be dried received into the drying zone, the dried compressed gas exiting the drying zone, the regeneration gas received into the regeneration zone, and/or the regeneration gas exiting the regeneration zone. And based on the temperature data, the controller is configured to control a rotational speed of a rotor provided in the pressure vessel.
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
An element for compressing a gas to be compressed at a low temperature of −40° C. or lower, which element (1) is provided with a housing (2) containing at least one rotor (3) that is rotatably arranged with respect to the housing (2) and having an inlet (6) for the gas to be compressed and an outlet (7) for compressed gas, characterized in that the element (1) is configured for compressing the gas to be compressed having the low temperature by providing the element (1) with a heating duct (8) that runs through the housing (2), the heating duct (8) being provided with an inlet (9) where a first heat medium is introduced into the housing (2) at a higher temperature than the aforementioned low temperature and an outlet (10) where the first heat medium is evacuated from the housing (2).
F04C 2/16 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F04C 25/00 - Adaptations for special use of pumps for elastic fluids
F25B 1/047 - Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
53.
Device and method for separating liquid from a gas and compressor device provided with such a device
A gas compressor apparatus including a liquid-injected gas compressor device having a compressor inlet for receiving a gas and a compressor outlet through which a compressed gas stream flows, the compressed gas stream having liquid droplets therein, and a separator device communicating with the compressor outlet for receiving the gas stream for separating the liquid droplets from the gas stream, the separator device includes two liquid separators arranged in series and configured to allow the gas stream to flow in a connecting element from a separator outlet of the first liquid separator to a separator inlet of the second liquid separator, and means provided on or in the connecting element for creating radial standing waves in the gas stream to cause the liquid droplets therein to fuse together into larger liquid droplets.
B01D 51/08 - Amassing the particles, e.g. by flocculation by varying the pressure of the gas or vapour by sound or ultrasonics
B01D 45/16 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream
B01D 49/00 - Separating dispersed particles from gases, air or vapours by other methods
54.
Method for detecting and monitoring condensate in an oil system of an oil-injected compressor or vacuum pump
A computer-implemented method for detecting condensate in an oil system of a compressor, having an inlet and an outlet. The method incudes the steps of: determining the humidity at the inlet and at the outlet or downstream of the outlet of the compressor; determining the amount of water vapor that enters and exits the compressor based on the humidity determined at the inlet and the outlet or downstream of the outlet; determining the amount of condensate that remains in the compressor by determining the difference between the amount of condensate that enters and exits the compressor; storing the amount of condensate that remains; and repeating the aforementioned steps at regular intervals and storing the amount of condensate and how long said condensate remains in the compressor.
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
Methods, systems, and apparatus for setting a rotational speed of a rotor of a compressed-gas dryer system, without communication from an associated compressor (e.g., without knowing compressor speed or load). Such communication is not always practical or possible (e.g., in the case where a dryer may be provided by a different manufacturer as compared to the compressor). In such a case, the speed or load at which the dryer should run can be determined by making an FAD calculation, so as to determine the volumetric flow rate through the inlet into the drying zone of the dryer. This measurement can be made at the inlet (a venturi or other nozzle), or elsewhere in the system (e.g., other inlets or outlets). Determination of flowrate of compressed-gas to be dried can be done independent of any communication with the compressor. This can be done by measuring inlet temperature, pressure, and pressure drop.
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
A cooling device for cooling oil, characterized in that the cooling device (7) comprises an oil reservoir (8) having an oil line (9) fluidly connected thereto, wherein the following are included successively in the oil line (9): - a first electronic thermostat (10) having a first switching temperature; - an energy recovery system (11); - an oil cooler (12); wherein the oil line (9) runs from the oil cooler (12) back to the first electronic thermostat (10) and then to an oil injection line (16), wherein the first electronic thermostat (10) is configured to send by switching, based on a difference between the first switching temperature and a temperature of the oil, the oil from the oil reservoir (8) either into the energy recovery system (11) and into the oil cooler (12) or directly into the oil injection line (16).
F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
Methods, systems, and apparatus for setting a rotational speed of a rotor of a compressed- gas dryer system. The speed or load at which the dryer should run can be determined by making an FAD calculation, so as to determine the volumetric flow rate through the inlet into the drying zone of the dryer. This measurement can be made at the inlet (a venturi or other nozzle), or elsewhere in the system (e.g., other inlets or outlets). Determination of flowrate of compressed-gas to be dried can be done independent of any communication with the compressor. This can be done by measuring inlet temperature, pressure, and pressure drop.
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
58.
METHOD FOR PRODUCING AN ADSORPTION AGENT FOR TREATING COMPRESSED GAS AND AN ADSORPTION DEVICE PROVIDED WITH SUCH AN ADSORPTION AGENT
A method for manufacturing an adsorption agent for treating compressed gas, which includes the steps of providing a monolithic supporting structure; producing a coating suspension that includes an adsorbent; applying the coating suspension on the supporting structure to form a coating; applying a thermal treatment to the coated supporting structure in order to sinter the coating.
B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/22 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising organic material
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
59.
MOBILE OIL-FREE MULTI-STAGE COMPRESSOR DEVICE AND METHOD FOR CONTROLLING SUCH COMPRESSOR DEVICE
Mobile oil-free multi-stage compressor device which includes at least a low-pressure stage compressor element with an inlet and an outlet and a high-pressure stage compressor element with an inlet and an outlet, wherein the outlet of low-pressure stage compressor element is connected to the inlet of the high-pressure stage compressor element through a line. The line includes an intercooler which is provided with a controllable fan. In addition, the compressor device is provided with a control unit that is configured to control a controllable fan to control the temperature at an outlet of the intercooler on the basis of the dewpoint in the line.
A turbocompressor, which turbocompressor (1) is provided with a turbocompressor element (2) having a housing (4) in which an impeller is arranged, the housing (4) being provided with an inlet (5) for gas to be compressed and an outlet for compressed gas, the turbocompressor (1) being further provided with an inlet filter (9) comprising a number of cylindrical filter cartridges (10), each having a circular outlet opening (11), characterized in that an inlet element (13) is provided between the inlet filter (9) and the inlet (5) of the housing (4), which inlet element is provided with straight channels (14), each of which extends from one of the aforementioned circular outlet openings (11) to the inlet (5) of the housing (4), the channels (14) extending from the circular outlet openings (11) towards each other to form a joint flow- through opening (15), said joint flow-through opening (15) being connected to the inlet (5).
According to an embodiment, a device for drying a gas (300, 700), wet compressed by a compressor (101), consisting of a supply (100), adsorption dryer (12, 103), a cooler (104), a water separator (105), a drain (106) and lines and valves (200-208), the device further comprising a ejector-manifold (107, 600) comprising a main channel (800) connecting to the supply (100), and suction channels (802, 801) connecting to the absorption dryers (102, 103), wherein the lines and valves (200-208) are configured to mix, with the ejector-manifold (107, 600), a portion of dried compressed gas (301, 701) via the suction channels (801, 802) during a drying phase (402, 403, 502, 503) with wet compressed gas (300, 700) at the supply (100) via the main channel (800).
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
Compressor installation (1) with a compressor element (2), with an outlet (9) with an outlet line (8), and with a dryer (2), that is provided with a drying section (14) and a re-generation section (15), wherein the drying section (14) is provided with a first inlet (16a) and a first outlet (16b), wherein the first inlet (16a) is connected to the outlet line (8), wherein the regeneration section (15) is provided with a second inlet (17a) and a second outlet (17b), wherein a regeneration line (18) is provided between the second inlet (17a) and a first point (19) of the outlet line (8), wherein at the second outlet (17b) a return line (20) is connected that connects the second outlet (17b) to a second point (21) on the outlet line (8) downstream of the first point (19), characterized in that, in the return line (20), a primary portion (27) of a heat exchanger (28) is incorporated, wherein a secondary portion (29) of the heat exchanger (28) is incorporated in an oil circuit (10) of the compressor element.
Compressor installation with a compressor element, an outlet with an outlet line, and a dryer, that is provided with a drying section and a regeneration section. The drying section is provided with a first inlet and a first outlet. The first inlet is connected to the outlet line. The regeneration section is provided with a second inlet and a second outlet. A regeneration line (is provided between the second inlet and a first point of the outlet line. At the second outlet a return line connects the second outlet to a second point (on the outlet line downstream of the first point. A primary portion of a heat exchanger is incorporated in the return line. A secondary portion of the heat exchanger is incorporated in an oil circuit of the compressor element.
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
65.
METHOD FOR ASSESSING A CONDITION OF A PNEUMATIC NETWORK
A computer-implemented method for assessing a condition of a pneumatic network comprising at least one compressor configured to compress a gas, and at least one pneumatic consumer, the method including the steps of detecting one or more parameters and associated context information of the gas at at least two distinct locations of the pneumatic network and at two distinct points in time; and synchronizing the detection at a first and second point in time respectively, thereby obtaining a first and second snapshot, respectively, of the pneumatic network; and assessing the condition of the pneumatic network based on the first and the second snapshot.
The present invention relates to a method for controlling an air-cooled compressor or vacuum pump device (1) for compressing a gas, which is provided with a motor (5) having a fixed speed, wherein the compressor or vacuum pump device (1) is provided with an air-cooled cooler (14) having a fan (15) for cooling a cooling medium that is injected into a compressor or vacuum pump element of the compressor or vacuum pump device, respectively, characterized in that the method comprises the step of switching off the fan (15) when the compressor or vacuum pump device (1) is idling.
Inlet silencer for a volumetric compressor, characterized in that the inlet silencer (1) comprises a housing (2) having at least one inlet (3) and at least one outlet (4), wherein at least one partition wall (6) dividing the housing (2) into at least a first chamber (7) and a second chamber (8) is provided in the housing (2), wherein one chamber (7, 8) connects to the inlet (3) and one chamber (7, 8) connects to the outlet (4), wherein at least one opening (9) connecting both chambers (7, 8) is arranged in the partition wall (6).
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
Device for drying compressed gas, with a dryer inlet (2) and a dryer outlet (3), wherein said device (1) comprises at least two vessels (4a, 4b) with therein contained a regenerable drying agent (5) and a controllable valve system (8) consisting of a first valve block (9a) connecting the dryer inlet (2) to an inlet (6) of said vessels (4a, 4b) and a second valve block (9b) connecting the dryer outlet (3) to an outlet (7) of the vessels (4a, 4b), wherein the valve system (8) is such that always at least one vessel (4b) is being regenerated, while the other vessels (4a) dry the compressed gas, wherein by controlling the valve system (8), the vessels (4a, 4b) are successively regenerated, characterized in that each vessel (4a, 4b) is provided with an input (11) for a regeneration gas, wherein the device (1) is provided with a blower (23) for supplying ambient air as regeneration gas.
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
According to an embodiment, the invention comprises a beam-shaped housing (100) for housing a system for transmitting a torque from a drive shaft of a motor to rotor shafts of a rotary screw compressor, the housing (100) comprising a motor opening (104) on a first side (102), and two screw openings (202, 203) on a second side (200) opposite and parallel to the first side (102), characterized in that the housing (100) further comprises two sets of ribs (204, 205) extending between the first (102) and second (200) side, and wherein ends of the ribs (204, 205) on the second side (200) are radially distributed per set about the screw openings (202, 203), and wherein the ends of the ribs (204, 205) on the first side (102) converge per set to a point (206, 207) of the edge of the motor opening (104).
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
72.
Compressor device and method for controlling such a compressor device
A turbomachine includes a shaft with a first end and an impeller arranged at and coupled to the first end of the shaft, arranged together to rotate about an axis of rotation. The turbomachine further includes a friction ring clamped between an axial surface at the first end of the shaft and an opposite axial surface of the impeller.
F16D 1/076 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
74.
METHOD FOR CONTROLLING A COMPRESSOR INSTALLATION AND COMPRESSOR INSTALLATION
Compressor installation with at least two compressor elements (4a, 4b, 4c) wherein the last compressor element (4c) is connected via a pressure line (7) to the penultimate compressor element (4b), wherein an outlet line (8) is connected to the outlet (6) of the last compressor element (4c), wherein an intercooler (9) is provided in the pressure line (7), wherein the compressor installation (1) comprising a dryer (3) for drying the compressed gas, wherein the dryer (3) is provided with a drying section (12) which is connected to the outlet line (8) and with a regeneration section (15), wherein a regeneration line (20) is connected to the inlet (16) of the regeneration section (15), which departs from a branch point (21) of the outlet line (8), characterized in that the compressor installation (1) is provided with a heat exchanger (25) located in said pressure line (7) downstream of said intercooler (9), wherein the compressor installation (1) is provided with means (29) for controlling the heat exchanger (25), wherein the compressor installation (1) is provided with a control unit (31) for controlling the means (29).
Four-way valve provided with a housing (2) with a central bore (9) and four connections (3) for conduits or the like communicating with the central bore (9) and with a valve body (11) rotatably arranged within the central bore (9), characterized in that the central bore (9) is cylindrical, wherein the connections (3) are in communication with a cyl- inder jacket (10) of the central bore (9), wherein the valve body (11) comprises a valve blade (12) extending along the axial direction of the central bore (9) and two round-shaped sealing discs (13) provided at the edges of the valve blade (12) extending in the radial direction of the central bore (9), all this such that these round-shaped sealing discs (13) seal the central bore (9), wherein, in a transverse section of the valve blade (12), the edges, extending in the axial direction, are formed as circular arcs with a central angle between 30° and 90°.
F16K 11/085 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
76.
METHOD FOR CONTROLLING A COMPRESSOR INSTALLATION AND COMPRESSOR INSTALLATION
Four-way valve provided with a housing (2) with a central bore (9) and four connections (3) for conduits or the like communicating with the central bore (9) and with a valve body (11) rotatably arranged within the central bore (9), characterized in that the central bore (9) is cylindrical, wherein the connections (3) are in communication with a cyl- inder jacket (10) of the central bore (9), wherein the valve body (11) comprises a valve blade (12) extending along the axial direction of the central bore (9) and two round-shaped sealing discs (13) provided at the edges of the valve blade (12) extending in the radial direction of the central bore (9), all this such that these round-shaped sealing discs (13) seal the central bore (9), wherein, in a transverse section of the valve blade (12), the edges, extending in the axial direction, are formed as circular arcs with a central angle between 30° and 90°
F16K 11/085 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
A rotor assembly comprising: a rotor (104) comprising a screw-type body portion, the screw-type body portion comprising a plurality of lobes (300), the lobes (300) of the plurality of lobes (300) defining a plurality of inter-lobe volumes (302) between said lobes (300); and a plurality of valves (126) (e.g. non-return valves), each valve (126) of the plurality of valves (126) being in fluid communication with a respective inter-lobe volume (302) of the plurality of inter-lobe volumes (302) and configured to control a flow of fluid out of said respective inter-lobe volume (302). The plurality of valves (126) may be coupled to an end of said rotor (104). Each valve (126) of the plurality of valves (126) has a fixed position relative to the rotor (104).
F01C 1/16 - Rotary-piston machines or engines of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F01C 21/18 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
F04C 2/16 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F04C 29/12 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F01C 21/10 - Outer members for co-operation with rotary pistonsCasings
Seal for a vacuum valve comprising a circular base element, wherein the base element has a non-circular cross-section having an outer side extending in an axial direction and an inner side extending radially such that the inner side of the seal can be clampingly fixed in a sealing element of a valve. Further, the present invention relates to a sealing element, such a seal and a valve with such a sealing element.
Methods, systems, and apparatuses are provided for determining a rotational status of a rotor of a compressed-gas dryer system. The compressed-gas dryer system a compressed gas inlet configured to receive a compressed gas to be dried from a compressed gas source; a regeneration gas inlet configured to receive a regeneration gas from a regeneration gas source; a pressure vessel defining a drying zone and a regeneration zone; a driver configured to drive rotation of a rotor provided in the pressure vessel in a predetermined rotational direction; at least a first temperature sensor configured to obtain first temperature data indicative of a first temperature at a first position within the pressure vessel; and a controller configured to receive the first temperature data and based thereon, determine a rotational status of the rotor.
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
Methods, systems, and apparatuses are provided for determining a rotational status of a rotor of a compressed-gas dryer system. The compressed-gas dryer system a compressed gas inlet configured to receive a compressed gas to be dried from a compressed gas source; a regeneration gas inlet configured to receive a regeneration gas from a regeneration gas source; a pressure vessel defining a drying zone and a regeneration zone; a driver configured to drive rotation of a rotor provided in the pressure vessel in a predetermined rotational direction; at least a first temperature sensor configured to obtain first temperature data indicative of a first temperature at a first position within the pressure vessel; and a controller configured to receive the first temperature data and based thereon, determine a rotational status of the rotor.
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
82.
TEMPERATURE-BASED MONITOR AND CONTROL OF A COMPRESSED-GAS DRYER
Methods, systems, and apparatuses are provided for determining a rotational status of a rotor of a compressed-gas dryer system. The compressed-gas dryer system a compressed gas inlet configured to receive a compressed gas to be dried from a compressed gas source; a regeneration gas inlet configured to receive a regeneration gas from a regeneration gas source; a pressure vessel defining a drying zone and a regeneration zone; a driver configured to drive rotation of a rotor provided in the pressure vessel in a predetermined rotational direction; at least a first temperature sensor configured to obtain first temperature data indicative of a first temperature at a first position within the pressure vessel; and a controller configured to receive the first temperature data and based thereon, determine a rotational status of the rotor.
B01D 53/06 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents
Device for expanding a fluid, which device (1) comprises an inlet (2) for a high pressure fluid, an outlet (3) for a low pressure fluid, and a control valve (4) between the aforementioned inlet (2) and outlet (3) for expanding the fluid to a predefined pressure level, characterized in that the device (1) is further provided with one or more expanders (5) for expanding the fluid, of which one or more expanders (5) are connected in parallel with the control valve (4), whereby the device (1) is provided with a controller (8) configured to control the expanders (5) based on a flow rate (Qklep) of the fluid through the control valve (4).
Compressor device comprising an oil-injected compressor element (2) with an outlet (4) connected via an outlet line (8) to an oil separator (9) which is connected via an injection pipe (10) to the compressor element (2), wherein controllable cooling means (15) for the oil are provided, the compressor device (1) being provided with a control unit (21) and thereto connected measuring means (22a, 22b) for controlling the cooling means (15) to control a temperature (T_uit_afsch) downstream of the oil separator (9), the measuring means (22a, 22b) including means (22a) for determining a temperature (T_uit) at the outlet (4) and a temperature sensor (22b) for determining the temperature (T_uit_afsch) downstream of the oil separator (9), the control unit (21) including a controller (25) for controlling the cooling means (15) on the basis of signals from said measuring means (22a, 22b) and on the basis of a dew point.
Compressor device (1) comprising a compressor element (9) which is at a fluid duct outlet (26) provided with an adapter of acoustic impedance (10) which comprises an adapter inlet duct (27) and an adapter outlet duct (28) interconnected by means of an adapter intermediate duct part (29) which encloses at least one expansion chamber (30), wherein a maximum opening (32) with an equivalent diameter (C) of the adapter intermediate duct part (29) is substantially larger than a minimum opening (31) of the adapter inlet duct (27) with an equivalent diameter (B).
F04C 23/00 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluidsPumping installations specially adapted for elastic fluidsMulti-stage pumps specially adapted for elastic fluids
Compressor device (1) comprising a compressor element (9) which is at a fluid duct outlet (26) provided with an adapter of acoustic impedance (10) which comprises an adapter inlet duct (27) and an adapter outlet duct (28) interconnected by means of an adapter intermediate duct part (29) which encloses at least one expansion chamber (30), wherein a maximum opening (32) with an equivalent diameter (C) of the adapter intermediate duct part (29) is substantially larger than a minimum opening (31) of the adapter inlet duct (27) with an equivalent diameter (B).
F04C 23/00 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluidsPumping installations specially adapted for elastic fluidsMulti-stage pumps specially adapted for elastic fluids
Compressor assembly (1) comprising a compressor assembly housing (27 ), a motor (2) which drives one or more compressor rotors (11, 12), an oil reservoir (47), an oil cooler (48) and an oil filter (50), wherein the motor (2) has a motor jacket (51)with a first group (117) channels (52, 79) for cooling the motor (2) and the compressor assembly housing (27) comprising one or more pass-through channels (67, 68, 123, 125, 126, 128, 129,...) forms at least a part of an oil line (90-101, 105-116,...) which interconnects components (2, 7, 9, 34,...) of the compressor assembly (1).
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
A method for controlling a compressed air or gas system is disclosed including the steps of estimating a current state, predicting a future process variable profile based on the current state, sampling the future process variable profile by a sampling method having sampling frequencies based on a volume of the compressed air or gas system, transforming by a model predictive control, MPC, method the sampled future process variable profile and the current state into an action profile and a state profile, and instructing the compressors to perform the actions in accordance with the action profile thereby controlling the compressed air or gas system.
F17D 3/01 - Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
F17D 1/07 - Arrangements for producing propulsion of gases or vapours by compression
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
90.
COMPRESSOR ASSEMBLY COMPRISING A MOTOR DRIVING ONE OR MORE COMPRESSOR ROTORS
Compressor assembly (1) comprising a compressor assembly housing (27 ), a motor (2) which drives one or more compressor rotors (11, 12), an oil reservoir (47), an oil cooler (48) and an oil filter (50), wherein the motor (2) has a motor jacket (51)with a first group (117) channels (52, 79) for cooling the motor (2) and the compressor assembly housing (27) comprising one or more pass- through channels (67, 68, 123, 125, 126, 128, 129,...) forms at least a part of an oil line (90-101, 105-116,...) which interconnects components (2, 7, 9, 34,...) of the compressor assembly (1).
F04C 18/16 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
Rotational element (1) internally provided with at least one annular cavity (5, 105, 106, 110) which separates a central part (4) from an outer part (3) of the rotational element (1), wherein the outer part (3) is provided with one or more holes or channels (12) which extend from an outer wall (11) of the outer part (3) to the annular cavity (5, 105, 106, 110) and wherein in the holes or channels (12) fixation means (13) are fixedly mounted which each extend through the corresponding hole or channel (12) and which have a tip (14) which is abutting against the central part (4).
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
F16D 1/00 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements
F16F 15/12 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
F16F 15/131 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
Air-cooled pressurizing device (1) wherein two or more heat- exchangers (16, 17, 23) are arranged near or on top of one another or both in a cross-section (24, 49) of an air channel (13) in such a way that a total air flow (15) through the air channel (13) is subdivided in several air streams (25-27), wherein one or more guiding elements (28) is or are provided in the air channel (13) for splitting the air flow (15) and guiding air to one or more of the heat-exchangers (16, 17, 23) or a part of such heat-exchangers (16, 17, 23).
Air-cooled compressor installation with a housing (10) in which a motor (4) and compressor element (5) are arranged, as well as an integrated dryer device (2) with a dryer housing (H) with an internal space (R) and at least one air- cooled heat exchanger (11a, 11b), wherein the dryer device (2) is arranged adjacent to said motor (4); wherein the heat exchanger (11a, 11b) connects via a first cooling channel (14a) to a lateral cooling channel (K); and wherein the space (R) is connected via a transversal cooling channel (Y) to an outlet for a first cooling air flow (7), which transversal cooling channel (Y) extends through the lateral cooling channel (K).
Air-cooled pressurizing device (1) wherein two or more heat- exchangers (16, 17, 23) are arranged near or on top of one another or both in a cross-section (24, 49) of an air channel (13) in such a way that a total air flow (15) through the air channel (13) is subdivided in several air streams (25-27), wherein one or more guiding elements (28) is or are provided in the air channel (13) for splitting the air flow (15) and guiding air to one or more of the heat-exchangers (16, 17, 23) or a part of such heat-exchangers (16, 17, 23).
Air-cooled compressor installation with a housing (10) in which a motor (4) and compressor element (5) are arranged, as well as an integrated dryer device (2) with a dryer housing (H) with an internal space (R) and at least one air- cooled heat exchanger (11a, 11b), wherein the dryer device (2) is arranged adjacent to said motor (4); wherein the heat exchanger (11a, 11b) connects via a first cooling channel (14a) to a lateral cooling channel (K); and wherein the space (R) is connected via a transversal cooling channel (Y) to an outlet for a first cooling air flow (7), which transversal cooling channel (Y) extends through the lateral cooling channel (K).
Air-cooled compressor installation provided with a housing (2) comprising at least one air-cooled cooler (4), provided with a fan (11), characterized in that the fan (11) is provided with a fan housing (5) with a fan inlet (6) and a cooling air outlet (7), wherein the fan inlet (6) connects to the cooler (4) and the cooling air outlet (7) is located at a roof (8) of said housing (2) of the compressor installation (1) and wherein the cooling air outlet (7) does not intersect the geometric extension of the fan (11) along the vertical direction, wherein the axis of rotation (15) of the radial fan (11) extends at an angle between 0° and 45° relative to the vertical direction.
Device for compressing a gas, comprising a first (3a) and second element (3b), wherein the device (1) comprises a cooler (8) for the compressed gas and an oil reservoir (6a, 6b) for each of the elements (3a, 3b), wherein a separate drive (4a, 4b) is provided for each element (3a, 3b), wherein each element (3a, 3b) and the corresponding drive (4a, 4b) are arranged one behind the other, wherein the axial directions (X-X', Y-Y' ) of both elements (3a, 3b) extend parallel to each other, wherein, when the device (1) is arranged on a base (7) : - each oil reservoir (6a, 6b) is located between the drives (4a, 4b) and the base (7); and said cooler (8) is located between the elements (3a, 3b) and the base (7); wherein the cooler (8) is located adj acent to the oil reservoirs (6a, 6b) and extends with its axial direction (ZZ') transverse to the axial direction (X-X', Y-Y' ).
Device for compressing a gas, comprising a first (3a) and second element (3b), wherein the device (1) comprises a cooler (8) for the compressed gas and an oil reservoir (6a, 6b) for each of the elements (3a, 3b), wherein a separate drive (4a, 4b) is provided for each element (3a, 3b), wherein each element (3a, 3b) and the corresponding drive (4a, 4b) are arranged one behind the other, wherein the axial directions (X-X', Y-Y' ) of both elements (3a, 3b) extend parallel to each other, wherein, when the device (1) is arranged on a base (7) : - each oil reservoir (6a, 6b) is located between the drives (4a, 4b) and the base (7); and said cooler (8) is located between the elements (3a, 3b) and the base (7); wherein the cooler (8) is located adj acent to the oil reservoirs (6a, 6b) and extends with its axial direction (Z- Z') transverse to the axial direction (X-X', Y-Y' ).
F04C 23/00 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluidsPumping installations specially adapted for elastic fluidsMulti-stage pumps specially adapted for elastic fluids
patents
