A gas regulating unit (10) for fail-safe regulation of a gas, specifically in a gas heater (1) or a gas burner, has a communication interface (15), a first sensor assembly (11), and a second sensor assembly (12). The first sensor assembly (11) is configured to acquire measured values from which a signed first differential pressure (p11) between a process pressure (p1) of the gas and a reference pressure (p0) is determinable. The second sensor assembly (12) is configured to acquire measured values from which a signed second differential pressure (p12) between the reference pressure (p0) and the process pressure (p1) is determinable. Thus, the signed first differential pressure (p11) and the signed second differential pressure (p12) are signed mutually inverse differential pressures (p11, p12). The communication interface (15) is configured to send the mutually inverse differential pressures (p11, p12) and/or the measured values to an external receiver.
A method for controlling a fuel-air mixture of a system with a manipulated variable for controlling an actuator (2) of the system in a first method phase for identification of the system behavior using a standard controller, in order to adjust the actual value on average to a target value. A profile of the actual value and a profile of the manipulated variable are recorded during the first method phase for identification of the system behavior, and from these the gain factor depending on the manipulated variable and the dead time are determined. After the determination of the dead time and the gain factor in a second method phase for model-predictive adaptive control of the system, the manipulated variable is determined using a model-based controller that has a Smith predictor and takes account of the gain factor and the dead time in order to adjust the actual value to the target value. Thus, in the second method phase, the manipulated variable has to be altered less frequently and less significantly by comparison with the first method phase.
A method for the safety-oriented control of at least one final control element of at least one electrically actuated gas valve, which is switched by means of two relays connected in series, wherein the final control element is activated only if the first relay and the second relay are tripped, wherein a flow of current over the first relay is monitored by a first monitoring device, a flow of current over the second relay is monitored by a second monitoring device, and a control device is programmed in such a way that the final control element is activated by tripping the two relays only if both the first monitoring device and the second monitoring device report to the control device that there is no flow of current before the activation.
F23N 5/24 - Preventing development of abnormal or undesired conditions, i.e. safety arrangements
4.
THROTTLE ARRANGEMENT, HEATING UNIT WITH THE THROTTLE ARRANGEMENT, METHOD FOR REGULATING A HEATING UNIT WITH THE THROTTLE ARRANGEMENT, AND ORIFICE MEASURING PATH WITH THE THROTTLE ARRANGEMENT
A throttle arrangement comprising at least one first throttle element and at least one second throttle element, wherein the first throttle element and the second throttle element are connected in series, wherein the first throttle element has a first pressure loss coefficient which correlates positively with a volume flow passing through the throttle arrangement, and the second throttle element has a second pressure loss coefficient which correlates negatively with the volume flow passing through the throttle arrangement.
The invention relates to a rotor receiving area (1) for an injection molding die in order to produce a connection between a shaft (30) and a laminated rotor core (20) which defines a through-hole (23) for receiving the shaft (30) along the rotational axis (X) of the laminated rotor core. The rotor receiving area (1) has at least one holding section (10A, 10B), and the holding section (10A, 10B) has a free end with a radially outer first mating surface (11) which is designed to correspond to the inner surface (21) of the laminated rotor core (20), wherein the holding section (10A, 10B) is designed to be plugged into the laminated rotor core (20) concentrically to the rotational axis (X) and to hold the laminated rotor core (20) concentrically to the rotational axis (X) via the first mating surface (11). The holding section (10A, 10B) forms a receiving area for receiving the shaft (30) and has a radially inner second mating surface (12) in the receiving area, said mating surface being designed to correspond to the outer surface (32) of the shaft (30). The holding section (10A, 10B) is designed to hold the shaft (30) against the second mating surface (12) concentrically to the rotational axis (X) and so as to extend at least partly into the laminated rotor core (20). The holding section (10A, 10B) is designed to close the through-hole (23) passing through the laminated rotor core (20) and to delimit a cavity formed by the through-hole (23) in the laminated rotor core (20).
H02K 1/30 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 15/12 - Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
6.
Gas Control Valve For Electronic Pressure Control On A Gas Boiler
A gas control valve (1) has a central module (40), a control module (20) and a sensor module (30). Gas can flows through the central module (40) from a valve inlet (41) to a valve outlet (42). The control module (20) is directly on the central module (40) and controls a flow of the gas through the central module (40). A throttle element (23) is fluidically arranged between the valve inlet (41) and the valve outlet (42). The sensor module (30) is arranged directly on the central module (40) and has at least one sensor (31, 32) in operative connection with the gas flowing through the central module (40) through a gas inlet (44) fluidically arranged between the throttle element (23) and the valve outlet (42). In order to control the pressure, it detects a pressure difference between the gas flowing through the central module (40) and air having a reference pressure.
A method for the failsafe and lean ignition of a fuel gas-air mixture on a gas burner (6), which is mixed in a mixing device (4) arranged upstream of the gas burner (6). A control valve (2) along the fuel gas flow path has an actuator (21) and a throttle element (23), moved by the actuator (21), for the closed-loop control of a flow rate of the fuel gas flowing into the mixing device (4). A test is performed to determine whether the throttle element (23) is in the throttle reference position when the actuator (21) is in the actuator reference position. The throttle element (23) is moved in a flow rate-increasing manner starting at a start time (tD). The flow rate-increasing movement of the throttle element (23) is stopped as soon as at least one of multiple predetermined termination conditions occurs.
The invention relates to a method for controlling a fuel-air mixture of a system, wherein: a manipulated variable for controlling an actuator (2) of the system in a first method phase for identification of the system behaviour using a standard controller, in order to adjust the actual value on average to a target value; a profile of the actual value and a profile the manipulated variable are recorded during the first method phase for identification of the system behaviour, and from these the gain factor is determined depending on the manipulated variable and the dead time; after the determination of the dead time and the gain factor in a second method phase for model-predictive adaptive control of the system the manipulated variable is determined using a model-based controller which in particular has a Smith predictor and takes account of the gain factor and the dead time in order to adjust the actual value to the target value, so that in the second method phase the manipulated variable has to be altered less frequently and less significantly by comparison with the first method phase.
A method for evaluating a sensor-detectable transient pressure difference on a gas boiler. The sensor detects a differential pressure at a measurement point upstream of the main flow restrictor (3) and downstream of the control valve (2) and a reference pressure and transmits it to the evaluation electronics. The sensor detects a differential pressure course and transmits it to the evaluation electronics, during variation of heat output and/or when the heat output is adjusted to the predetermined value. The evaluation electronics evaluates the differential pressure course over its time range and/or its frequency range. At least one characteristic value is determined and compared with a predetermined comparison value. If the characteristic value deviates from the comparison value, an error of the gas boiler is recognized.
G01L 23/08 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquidIndicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
F23D 14/02 - Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
F23D 14/72 - Safety devices, e.g. operative in case of failure of gas supply
F24H 1/00 - Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
10.
Method for evaluating a quasi-stationary pressure difference detectable by a sensor at a gas boiler, and associated gas boiler
A method for evaluating a quasi-stationary pressure difference detectable by a sensor at a gas boiler. The gas boiler has a mixing device (4), a fan (5), a main flow regulator (3), a control valve (2) and a safety valve (1). The sensor detects a differential pressure between a pressure (p2) at a measuring point upstream of the main flow regulator (3) and downstream of the control valve (2) and a reference pressure (p0, p1) at a reference measuring point. The sensor transmits a signal to an electronic evaluation system. The electronic evaluation system compares the differential pressure during a pre-purge phase, wherein the safety valve (1) is closed, with the differential pressure after the pre-purge phase and detects an error by the comparison.
The invention relates to a method for safety-oriented control of at least one final control element of an apparatus, in particular of at least one electrically switched gas valve (3), which is actuated by means of two relays connected in series, wherein: the final control element is activated only when the first relay (2) and the second relay (10) are tripped; a flow of current across the first (2) relay is monitored by a first monitoring device; and a flow of current across the second relay (10) is monitored by a second monitoring device; and a controller (6) is programmed such that activation of the final control element by tripping the two relays (1, 10) takes place only when both the first monitoring device and the second monitoring device report to the controller (6) that there is no flow of current.
Gas flow control valve 3, wherein the gas flow control valve 3 comprises a housing 11 with a gas inlet 10, a valve seat 6 arranged in the housing 11, a valve body 5 assigned to the valve seat 6, wherein the valve body 5 is held by an upper spring and a lower spring and is centered by means of a diaphragm 26, and a gas outlet 12 which is positioned downstream of the valve body 5 and which is provided in the housing 11, wherein the valve body 5 is arranged in the valve seat 6 so as to be movable in a first movement direction 17 in order to form a controllable cross section of a passage opening 25 for the passage of gas, wherein the gas flow control valve 3 comprises an adjustable diffuser 13.
G05D 16/06 - Control of fluid pressure without auxiliary power the sensing element being a flexible member yielding to pressure, e.g. diaphragm, bellows, capsule
THROTTLE ARRANGEMENT, HEATING UNIT WITH THE THROTTLE ARRANGEMENT, METHOD FOR REGULATING A HEATING UNIT WITH THE THROTTLE ARRANGEMENT, AND ORIFICE MEASURING PATH WITH THE THROTTLE ARRANGEMENT
A throttle arrangement (13) comprising at least one first throttle element (14) and at least one second throttle element (15), wherein the first throttle element (14) and the second throttle element (15) are connected in series, wherein the first throttle element (14) has a first pressure loss coefficient which correlates positively to the volumetric flow, and the second throttle element has a second pressure loss coefficient which correlates negatively to the volumetric flow.
F23D 14/02 - Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
F23D 14/60 - Devices for simultaneous control of gas and combustion air
F23N 1/02 - Regulating fuel supply conjointly with air supply
G01F 1/36 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
A method of monitoring a flame during gas combustion in a combustion chamber (10). A heating unit (1) has an evaluation unit, an extraction line (11) and a sensor (12). The sensor (12) is arranged in the extraction line (11) to detect thermal substance properties of the gas. Thus, it is determined if it is ambient air (B), a non-combusted fuel-air mixture (C) or particularly the hydrogen-air mixture, or a waste gas (A) generated during combustion. The sensor (12) transmits a recorded measured value to the evaluation unit. The evaluation unit uses the measured value to determine whether ambient air (B), the non-combusted fuel-air mixture (C), or waste gas (A) is flowing through the extraction line (11) and thereby determines whether the flame is burning or extinguished.
Method for monitoring and controlling a process of a gas boiler (G), in which a gas mixture (7) comprising a gas (2) and a fuel gas (1) is combusted, wherein the process is controlled in various operating states by evaluating measured values from at least one ionization sensor (10). In this case, the plausibility of the produced gas mixture (7) is continuously checked in the various operating states by comparing an ionization current of the at least one ionization sensor (10) with an expected value corresponding to the instantaneous power of the gas boiler (G) on the basis of a stored ionization current/power characteristic curve.
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
16.
Method for checking a time-discrete signal value of a sensor for freedom from errors
The invention relates to a method for checking a time-discrete signal value of a sensor for freedom from errors, wherein the signal value of the sensor is converted into a first measured value and a second measured value by two different evaluating devices of an electronic system, wherein the first and second measured values are transmitted to a control system by the electronic system, and the control system calculates a first control signal from the first measured value and, in parallel thereto, a second control signal from the second measured value, wherein the control system comprises a comparator which compares the first control signal and second control signal to verify the identity thereof.
G01P 21/00 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass
G05B 19/39 - 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 positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using a combination of the means covered by at least two of the preceding groups , and
17.
Reinforced blower housing component for arrangement on a gas blower
The disclosure relates to a blower housing component with a housing body and a mounting flange extending radially outward from the housing body, at which mounting flange multiple mounting points are arranged for mounting the blower housing component, which mounting points are evenly spaced in the circumferential direction, wherein radial ribs extending radially in a straight line along the mounting flange are formed between the housing body and the mounting points, and wherein the radial ribs are intersected by tangential ribs extending along the mounting flange, which tangential ribs extend tangentially to the housing body between two of the mounting points, respectively, and connect the two mounting points, respectively.
A valve monitoring system for a coaxial dual-safety valve of a gas valve unit that controls a gas request of a gas burner occurring in the course of a heat request. The valve monitoring system including at least the coaxial dual-safety valve and a control valve arranged fluidically connected downstream of the dual-safety valve for controlling the gas quantity.
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
F16K 1/44 - Details of seats or valve members of double-seat valves
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
19.
METHOD FOR CHECKING A GAS MIXTURE SENSOR AND IONIZATION SENSOR IN A FUEL-GAS-POWERED HEATING DEVICE
The invention relates to a method for checking a gas mixture sensor and ionization sensor with respect to their fault-free operation in a fuel-gas-powered heating device, wherein a gas mixture is produced by providing a quantity of gas via a first actuator (4, 107) and a quantity of fuel gas via a second actuator (3, 102) and mixing same, wherein the gas mixture sensor is positioned in the gas mixture for detecting a material property of the gas mixture (9, 105) and continuously transmits a sensor signal, which is dependent on the relevant gas mixture, to a control device (11, 100), wherein a flame signal is detected at a burner (109) of the heating device (200) via the ionization sensor, and an ionization signal is determined therefrom and transmitted to the control device (11, 100), wherein a corresponding ionization signal from the ionization sensor is assigned to the relevant sensor signal from the gas mixture sensor, and, for checking the gas mixture sensor and the ionization sensor, the gas quantity or the fuel gas quantity is temporarily changed in a predefined manipulated variable of the first or second actuator such that the gas mixture changes, and at the same time the resulting change in the sensor signal from the gas mixture sensor and in the ionization signal from the ionization sensor are measured and compared with one another.
F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
F23N 1/02 - Regulating fuel supply conjointly with air supply
Motors, electric, other than for land vehicles; electric
motor-driven fans for engines and motors, fans for engines
and motors, and blowing machines, included in this class;
parts for the aforesaid goods, namely, wheels for engine and
motor fans, blades for engines and motor fans, blowing
machine housings, inflow nozzles, outflow nozzles, diffusion
pump housings; blowing machines; blowing machine wheels;
blowing machine housings; fittings for blowing machines,
namely screens, protective grilles, filter frames, inlet
nozzles, outlet nozzles, diffuser housings, wall rings. Ventilation and air-conditioning equipment; electric
motor-driven fans and ventilating fans; parts for the
aforesaid goods, namely ventilating fan wheels, ventilating
fan blades, fan wheels, fan blades, inflow nozzles, outflow
nozzles, fan housings; fittings for electric motor-operated
fans and ventilating fans, namely screens, protective
grilles, filter frames, protective grilles, inlet nozzles,
outlet nozzles, diffuser housings, wall rings, being parts
of ventilating fans designed to attach ventilating fans to
walls; thermal incineration installations; combustion
installations for fossil fuels.
Motors, electric, other than for land vehicles; electric
motor-driven fans for engines and motors, fans for engines
and motors, and blowing machines, all included in this
class; parts for the aforesaid goods, namely fan wheels for
engines and motors fans, blowing machines housings, inflow
nozzles, outflow nozzles, diffuser housings; blowing
machines. Ventilation and air movement equipment; electric
motor-driven fans, ventilating fans; parts for the aforesaid
goods, namely ventilating fan wheels, ventilating fan
blades, fan wheels, fan blades, inflow nozzles, outflow
nozzles, outflow, diffuser housings; accessories for
electromotively operated ventilators, fans, in particular
screens, protective grilles, filter frames, inlet nozzles,
outlet nozzles, diffuser housings, wall rings; thermal
incineration installations; combustion installations for
fossil fuels.
Motors, electric, other than for land vehicles; electric
motor-driven fans for engines and motors, fans for engines
and motors, and blowing machines, all included in this
class; parts for the aforesaid goods, namely fan wheels for
engine and motor fans, blowing machine housings, inflow
nozzles, outflow nozzles, diffusion fan housings and
diffusion pump housings; blowing machines; fittings for
blowing machines, namely screens, protective grilles, filter
frames, inlet nozzles, outlet nozzles, diffusion pump
housings and mounting hangers for the aforesaid goods. Ventilation and air conditioning equipment; electric
motor-driven fans, ventilating fans; parts for the aforesaid
goods, namely ventilating fan wheels, ventilating fan
blades, fan wheels, fan blades, inflow nozzles, outflow
nozzles, fan housings, mounting hangers adapted for the
aforesaid goods; accessories for electromotively operated
ventilators, fans, in particular screens, protective
grilles, filter frames, inlet nozzles, outlet nozzles,
diffuser housings, wall rings; thermal incineration
installations; combustion installations for fossil fuels.
23.
Method for detecting the faulty operation of a gas blower driven by a DC motor
A method for detecting faulty operation of a gas blower driven by an electronically commutated DC motor. The DC motor of the gas blower is controlled by an integrated electronic motor control circuit. The electrical current draw, required in operation to reach a predetermined blower speed of the gas blower, is measured. It is measured as a measured variable via the electronic motor control circuit. The electronic motor control circuit performs a plausibility check of the measured electrical current draw. The measured value of the electrical current draw, at a predetermined blower speed, is compared to a current draw reference value characteristic stored in the electronic motor control circuit. Thus, a warning and/or an error code is issued by the electronic motor control circuit. The warning is based on deviation of the measured value of the electrical current draw beyond a tolerance range around the reference characteristic.
The invention relates to a method for optimising the efficiency η of an on-load-operated, electrically commutated machine, in particular an EC motor, wherein the motor is connected to a motor controller, with the aid of which at least one free motor parameter can be changed in order to influence the efficiency η, wherein the winding current I and the rotational speed N are detected, characterised in that the winding current is changed, via the iterative changing of the pre-commutation angle, as a motor parameter at a determined rotational speed N until the winding current is at a minimum level at this rotational speed.
A method for regulating a gas mixture formed from a gas and a fuel gas in a fuel gas-operated heating appliance, wherein the gas mixture is created by providing and mixing a gas quantity by way of a first control element and a fuel gas quantity by way of a second control element, wherein a microthermal gas sensor and a gas mixture sensor are used and sensor signals are relayed to a controller, and wherein upon change in the detected sensor signal [of the] gas sensor the newly detected sensor signal of the gas sensor is compared to reference values which have been measured in the laboratory and saved in a table of values in the controller and from this a target value of the sensor signal of the gas mixture sensor is determined without a mixture ratio of the gas mixture composed of fuel gas and gas being changed.
F23N 1/02 - Regulating fuel supply conjointly with air supply
F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
The invention relates to a method for controlling a gas mixture (5, 105) formed from a gas (2, 104) and a fuel gas (1, 103) in a fuel-gas-operated heating device, wherein: the gas mixture is created by a gas amount and a fuel gas amount being provided by a first actuator (4, 107) and a second actuator (3, 102) respectively and then mixed; a microthermal gas mixture sensor (6, 106, 108), which detects at least one material property of the gas mixture (5, 105), is supplied with the gas mixture and continuously transmits a sensor signal dependent on the particular gas mixture to a control device (7, 100); the control device (7, 100) compares the detected sensor signal with a set-point value of the sensor signal and, in the event that the detected sensor signal deviates from the set-point sensor signal, actuates at least one of the first and second actuators, as a result of which the gas mixture (5, 105) is adjusted by increasing or reducing the gas amount and/or increasing or reducing the fuel gas amount, until the set-point value of the sensor signal is achieved.
F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
F23N 5/18 - Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
27.
METHOD FOR THE CLOSED-LOOP CONTROL OF A GAS MIXTURE USING A GAS SENSOR, A COMBUSTION-GAS SENSOR AND A GAS-MIXTURE SENSOR
The invention relates to a method for the closed-loop control of a gas mixture (9, 108) formed from a gas (2, 105) and a combustion gas (1, 103) in a combustion-gas-operated heating unit, wherein the gas mixture is produced by an amount of gas being provided via a first control element (4, 107) and an amount of combustion gas being provided via a second control element (3, 102) and said amounts being mixed, wherein a microthermal gas-mixture sensor (10, 107, 109), a microthermal combustion-gas sensor and a microthermal gas sensor are used in order to detect the material properties of the gas mixture, of the combustion gas and of the gas, and to use said material properties as controlled variables.
The invention relates to a blower (1), in particular a gas blower, comprising a motor (2), an integrated microcontroller (3), a motor rotational-speed controller (4) and a digital communication interface (5), by means of which the blower (1) can receive control commands and setpoint value specifications for the rotational-speed control. The motor rotational-speed controller (4) carries out an optimization of the controller parameters for the rotational-speed control by means of a command-based algorithm in dependence on a step response as a reaction to a controlled step of a step function, such that optimized controller parameters are determined therefrom by means of a stored heuristic method for rotational-speed control.
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
29.
FAN DEVICE COMPRISING A CLOSED TRIANGULAR SEALING GROOVE
The invention relates to a fan device having a fan housing for a fan, a diffusor housing secured to the fan housing, and a diffusor received in the diffusor housing, wherein a closed triangular sealing groove with three sealing faces is formed between the fan housing, the diffusor housing and the diffusor, wherein the fan housing, the diffusor housing and the diffusor each form one of the three sealing faces, and wherein a seal element is arranged in the closed triangular sealing groove and seals the fan housing, the diffusor housing and the diffusor with respect to one another.
(1) Electric motors for fans; electric motor-driven fans for engines and motors, fans for engines and motors, blowing machines, namely blowing machines for the compression, exhaustion and transport of gases, blowing machines for compression, sucking and carrying of grain, parts for the aforesaid goods, namely fan wheels for engine and motor fans, housings, inflow nozzles, outflow nozzles, diffusion fan housings and diffusion pump housings; fittings for blowing machines, namely blowing machines for the compression, exhaustion and transport of gases, blowing machines for compression, sucking and carrying of grain, namely screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffusion pump housings, wall rings for the aforesaid goods
(2) Heating, ventilation and air conditioning (HVAC) systems for use in wind power plants, refrigerators and automobile manufacturing; electric motor-driven fans and ventilating fans; parts for the aforesaid goods, namely ventilating fan wheels, ventilating fan blades, fan wheels, fan blades, inflow nozzles, outflow nozzles, fan housings for the aforesaid goods; fittings for electric motor-operated fans and ventilating fans, namely screens, protective grilles, filter frames, protective grilles, inlet nozzles, outlet nozzles, diffuser housings, wall rings, being parts of ventilating fans designed to attach ventilating fans to walls
Motors, electric, other than for land vehicles; electric motor-driven fans for engines and motors, fans for engines and motors, and blowing machines; parts for the aforesaid goods, namely, wheels for engine and motor fans, blades for engines and motor fans, blowing machine housings, inflow nozzles, outflow nozzles, diffusion pump housings; blowing machines for the compression, exhaustion and transport of gases; blowing machine wheels; blowing machine housings; fittings for blowing machines, namely, screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffuser housings, wall rings Ventilation and air-conditioning apparatus; electric motor-driven fans and ventilating fans for personal use; parts for the aforesaid goods, namely, ventilating fan wheels, ventilating fan blades, fan wheels, fan blades, inflow nozzles, outflow nozzles, fan housings; fittings for electric motor-operated fans and ventilating fans, namely, screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffuser housings, wall rings, being parts of ventilating fans designed to attach ventilating fans to walls; thermal incineration installations; combustion installations, namely, chambers, for fossil fuels
32.
GAS VALVE UNIT AND METHOD FOR THE MODULATING CONTROL OF A GAS VALVE OF THE GAS VALVE UNIT
The invention relates to a gas valve unit comprising an electronically controlled gas valve which is designed to modulate a gas flow, and comprising a controller and a data memory, wherein at least one calibration value for the gas valve is stored in the data memory, wherein the calibration value represents a parameter for a predetermined gas volume flow at a specific activation value of the gas valve, wherein the controller, the gas valve and the data memory are connected via a digital communication line and the controller is designed to activate the gas valve electronically for the modulation of the gas valve by using the calibration value.
Motors, electric, other than for land vehicles; Electric motor-driven fans, ventilating fans and blowing machines, all for machines, engines or motors, included in class 7; Parts for the aforesaid goods, In particular ventilating fan wheels, ventilating fan blades, Fan wheels, Fan blades, Fan blades, Blower housings, Inflow nozzles, outflow nozzles, diffuser housings. Ventilation and air movement equipment; Electric motor-driven fans, ventilating fans and blowing machines; Parts for the aforesaid goods, in particular ventilating fan wheels, ventilating fan blades, fan wheels, fan blades, blowing machine wheels, blowing machine housings, inflow nozzles, outflow nozzles, diffuser housings; Fittings for electric motor-operated fans, ventilating fans and blowing machines, namely screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffuser housings, wall rings, being parts of ventilating fans designed to attach ventilating fans to walls; Thermal incineration installations; Combustion installations for fossil fuels.
Electric motor-driven fans, ventilating fans and blowing
machines, all included in this class (term considered too
vague by the International Bureau - rule 13 (2) (b) of the
Common Regulations); parts for the aforesaid goods, in
particular ventilating fan wheels, ventilating fan blades,
fan wheels, fan blades, fan blades, blower housings, inflow
nozzles, outflow nozzles, diffuser housings; pumps
[machines]. Ventilation and air movement equipment; electric
motor-driven fans, ventilating fans and blowing machines
(term considered too vague by the International Bureau -
rule 13 (2) (b) of the Common Regulations); parts for the
aforesaid goods, in particular ventilating fan wheels,
ventilating fan blades, fan wheels, fan blades, blowing
machine wheels, blowing machine housings, inflow nozzles,
outflow nozzles, diffuser housings; accessories for
electromotively operated ventilators, fans and blowing
machines, in particular screens, protective grilles, filter
frames, inlet nozzles, outlet nozzles, diffuser housings,
wall rings (term considered too vague by the International
Bureau - rule 13 (2) (b) of the Common Regulations).
35.
METHOD FOR CONTROLLING A MIXING RATIO OF FUEL GAS AND AIR FOR A HEATING APPLIANCE
The invention relates to a method for controlling a mixing ratio of fuel gas and air for a heating appliance, wherein an air mass flow is first divided and mixed with the fuel gas mass flow only via a partial flow to form a premixture, wherein material properties of the premixture are detected via a sensor and the mixing ratio of fuel gas and air is calculated therefrom.
(1) Electric motors for fans; electric motor-driven fans for engines and motors, fans for engines and motors, blowing machines, namely blowing machines for the compression, exhaustion and transport of gases, blowing machines for compression, sucking and carrying of grain, parts for the aforesaid goods, namely fan wheels for engine and motor fans, housings, inflow nozzles, outflow nozzles, diffusion fan housings and diffusion pump housings; fittings for blowing machines, namely blowing machines for the compression, exhaustion and transport of gases, blowing machines for compression, sucking and carrying of grain, namely screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffusion pump housings, wall rings for the aforesaid goods
(2) Ventilation and air conditioning equipment; electric motor-driven fans, ventilating fans and parts for the aforesaid goods, namely ventilating fan wheels, ventilating fan blades, fan wheels, fan blades, inflow nozzles, outflow nozzles, fan housings, mounting hangers adapted for the aforesaid goods; accessories for electromotively operated ventilators, fans, in particular screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffuser housings, wall rings; installations for thermal oxidizers, combustion furnaces, combustion chambers and incinerators
Blowing machines as a component of heating devices and for the compression, exhaustion, and transport of gases, all the foregoing for use in combustion systems and industrial automation Ventilation and air movement equipment, in the nature of ventilation and air conditioning apparatus; electric motor-driven fans, and ventilating fans for commercial and industrial use; replacement parts for the aforesaid goods, namely, ventilating fan wheels, ventilating fan blades, fan wheels, fan blades, inflow nozzles, outflow nozzles, diffuser housings; accessories for electromotively operated ventilators for energy recovery and electric heating fans, namely, screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffuser housings, wall rings; thermal incinerators; combustion installations for fossil fuels, namely, combustion chambers, all the foregoing for use in combustion systems and industrial automation
Electric motors other than for land vehicles; electric motor-driven fans, ventilator, and blowers, all included in this class for engines and motors; replacement parts for the aforesaid goods, namely, fan wheels for engine and motor fans, housings for blowing machines, inflow nozzles, outflow nozzles, housing for diffusion fans, housings for diffusion pumps; blowing machines for the compression, exhaustion, and transport of gases; fittings specially adapted for electric blowing machines, namely, screens, protective grilles, filter frames, inflow nozzles, outflow nozzles, diffusion pump housings and mounting hangers for the aforesaid goods Ventilation and air conditioning apparatus; electric motor-driven fans, and ventilating fans; replacement parts for the aforesaid goods, namely, ventilating fan wheels, ventilating fan blades, fan wheels, fan blades, inflow nozzles, outflow nozzles, housings for fans, mounting hangers specially adapted for the aforesaid goods; accessories for electric motor ventilators and fans, namely, screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffuser housings, wall rings; thermal incinerators; combustion chambers for fossil fuels
The disclosure relates to an electric motor, in particular configured as an internal rotor motor, for driving a fan having a stator, a rotor, a drive shaft, motor electronics disposed on a first axial side of the stator, a first cooling impeller which is associated with the motor electronics and disposed on the first axial side of the stator on the drive shaft and generates a first cooling air flow at least to the motor electronics during operation of the electric motor, and a second cooling impeller which is disposed immediately adjacent the stator on a second axial side of the stator opposite the first axial side and has impeller blades that generate a second cooling air flow at least in the axial direction along the stator during operation of the electric motor.
H02K 9/00 - Arrangements for cooling or ventilating
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
The invention relates to a method for monitoring and controlling a burner flame of a burner of a heating device by means of a control device, wherein an ionization electrode is positioned in contact with the burner flame, two fixed voltages are cyclically and continually fed to the ionization electrode via a flame intensifier by means of a voltage generator, and the ionization currents measured by the ionization electrode in the burner flame are measured by the flame intensifier and are transmitted to the control device.
F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
F23N 5/24 - Preventing development of abnormal or undesired conditions, i.e. safety arrangements
F23C 99/00 - Subject matter not provided for in other groups of this subclass
Motors, electric, other than for land vehicles; Electric motor-driven fans, ventilating fans and blowing machines, all included in class 7; Parts for the aforesaid goods, In particular ventilating fan wheels, ventilating fan blades, Fan wheels, Fan blades, Fan blades, Blower housings, Inflow nozzles, outflow nozzles, diffuser housings. Ventilation and air movement equipment; Electric motor-driven fans, ventilating fans and blowing machines; Parts for the aforesaid goods, in particular ventilating fan wheels, ventilating fan blades, fan wheels, fan blades, blowing machine wheels, blowing machine housings, inflow nozzles, outflow nozzles, diffuser housings; Accessories for electromotively operated ventilators, fans and blowing machines, in particular screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffuser housings, wall rings; Thermal incineration installations; Combustion installations for fossil fuels.
Motors, electric, other than for land vehicles; Electric motor-driven fans, ventilating fans and blowing machines, all included in class 7; Parts for the aforesaid goods, In particular ventilating fan wheels, ventilating fan blades, Fan wheels, Fan blades, Fan blades, Blower housings, Inflow nozzles, outflow nozzles, diffuser housings. Ventilation and air movement equipment; Electric motor-driven fans, ventilating fans and blowing machines; Parts for the aforesaid goods, in particular ventilating fan wheels, ventilating fan blades, fan wheels, fan blades, blowing machine wheels, blowing machine housings, inflow nozzles, outflow nozzles, diffuser housings; Accessories for electromotively operated ventilators, fans and blowing machines, in particular screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffuser housings, wall rings; Thermal incineration installations; Combustion installations for fossil fuels.
43.
METHOD FOR IDENTIFYING THE TYPE OF FUEL GAS DURING THE STARTING OPERATION OF A FUEL-GAS-OPERATED HEATING DEVICE AND FUEL-GAS-OPERATED HEATING DEVICE
The invention relates to a method for identifying the type of fuel gas during the starting operation of a fuel-gas-operated heating device with electronic gas-air ratio control using a gas mass sensor for determining the fuel gas prior to starting the burner.
The invention relates to a valve monitoring system for a coaxial dual-safety valve of a gas valve unit which controls the gas request of a gas burner resulting in the course of a heat request and which has at least the coaxial dual-safety valve and a control valve serially arranged downstream of the dual-safety valve in a fluidic manner in order to control the gas quantity.
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
F16K 1/44 - Details of seats or valve members of double-seat valves
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
45.
METHOD FOR CHECKING A TIME-DISCRETE SIGNAL VALUE OF A SENSOR FOR FREEDOM FROM ERRORS
The invention relates to a method for checking a time-discrete signal value of a sensor for freedom from errors, wherein the signal value from the sensor is transformed by two different evaluating devices of an electronics system into a first measured value and a second measured value, wherein the first and the second measured values are transmitted by the electronics system to a control system and the control system calculates a first control signal from the first measured value and in parallel therewith a second control signal from the second measured value, wherein the control system comprises a comparator which compares the first control signal and the second control signal to verify the identity thereof.
G05B 19/39 - 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 positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using a combination of the means covered by at least two of the preceding groups , and
G05B 19/406 - 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 monitoring or safety
The invention relates to a method for controlling a combustion-gas operated heating device using an ionization desired value power characteristic curve, wherein the method comprises a plausibility check and a mixture calibration.
F23N 1/02 - Regulating fuel supply conjointly with air supply
F23N 5/12 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
49.
METHOD FOR CONTROLLING A COMBUSTION-GAS OPERATED HEATING DEVICE
The invention relates to a method for controlling an air volume flow, generated by a fan, of a gas-air mixture supplied to a burner of a combustion-gas operated heating device by means of a control unit by detecting and evaluating motor operating parameters of the fan motor.
The invention relates to an electric motor, in particular designed as an internal rotor motor, for driving a fan, comprising a stator, a rotor, a drive shaft, motor electronics arranged on a first axial side of the stator, a first cooling impeller, which is arranged on the first axial side of the stator on the drive shaft so as to be assigned to the motor electronics and generates a first cooling air flow, at least to the motor electronics, during operation of the electric motor, and a second cooling impeller, which is arranged directly adjacent to the stator on a second axial side of the stator, which is opposite the first axial side, and comprises impeller blades which generate a second cooling air flow, at least in the axial direction along the stator, during operation of the electric motor.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 11/33 - Drive circuits, e.g. power electronics
Electric motor-driven fans, ventilating fans and blowing machines, all included in class 7; Parts for the aforesaid goods, In particular ventilating fan wheels, ventilating fan blades, Fan wheels, Fan blades, Fan blades, Blower housings, Inflow nozzles, outflow nozzles, diffuser housings; Pumps [machines]. Ventilation and air movement equipment; Electric motor-driven fans, ventilating fans and blowing machines; Parts for the aforesaid goods, in particular ventilating fan wheels, ventilating fan blades, fan wheels, fan blades, blowing machine wheels, blowing machine housings, inflow nozzles, outflow nozzles, diffuser housings; Accessories for electromotively operated ventilators, fans and blowing machines, in particular screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffuser housings, wall rings.
The invention relates to a circuit (1) for producing low voltage with voltage switching between a supply voltage (VCC) on a tap (11) for the normal mode and a lower supply voltage (VCC) for a standby mode of an appliance, in which the circuit (1) is provided with a switching regulator (2) that provides a nominal voltage Uson on a connection point (10) of the circuit (1) and a Zener diode (Z1) and a transistor (T3) are connected and mounted in parallel on said connection point (10), such that the lower supply voltage (VCC) for the standby mode can be produced by controlling the transistor (T3) to short-circuit the Zener diode (Z1), such that the lower supply voltage (VCC) is applied to the tap (11) for the standby mode.
H02M 3/145 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
The invention relates to a rotor (30) of an electric motor having a shaft (33) and a magnet (32) disposed on said shaft (33), wherein the magnet (32) is attached to the shaft (33) using an injection molded plastic material and the plastic material forms a cooling vane (31) which generates a cooling air flow when the rotor (30) is in operation.
F04D 29/58 - CoolingHeatingDiminishing heat transfer
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
The invention refers to a connector unit formed out a side piece of a blower housing and an engine mounting plate for a drive motor of a blower, whereby the engine mounting plate is attachable to the side piece in a variety of rotational or alternatively angular positions vis-à-vis a rotational axis that runs in an axial direction to the side piece.
F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the likeBalancing
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
Electric motors, not for land vehicles; Gear motors, not for land vehicles; all of the foregoing excluding refrigerant compressors, gas-operated power generators, refrigerant compressor motors and farm duty electric motors
The invention relates to a gas-air mixing device with a flow guiding body (2) which is designed as a Venturi nozzle and has an air flow inlet (3), a gas-air mixture outlet (4) and a fuel gas supply opening provided between the air flow inlet (3) and the gas-air mixture outlet (4) in the region of a Venturi throat (20), wherein the fuel gas supply opening consists of at least six individual gas pockets (5) that are distributed around the circumference of the flow guiding body (2), are spaced apart from one another and pass through the flow guiding body (2), and the gas pockets (5) each have, proceeding from an inner circumferential face (6) of the flow guiding body (2), a first section (7) which extends radially outward and in which the inner wall faces (8) of the gas pockets (5) extend radially outward over a predetermined length (t) at an angle of ± 10° with respect to a radius of the flow guiding body (2).
F23D 14/36 - Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
Electric drive motors (other than for land vehicles); Electric motor-driven fans, ventilating fans and blowing machines, all included in class 7; Parts for the aforesaid goods, In particular ventilating fan wheels, ventilating fan blades, Fan wheels, Fan blades, Fan blades, Blower housings, Inflow nozzles, outflow nozzles, diffuser housings. Ventilation and air movement equipment; Electric motor-driven fans, ventilating fans and blowing machines; Parts for the aforesaid goods, in particular ventilating fan wheels, ventilating fan blades, fan wheels, fan blades, blowing machine wheels, blowing machine housings, inflow nozzles, outflow nozzles, diffuser housings; Accessories for electromotively operated ventilators, fans and blowing machines, in particular screens, protective grilles, filter frames, inlet nozzles, outlet nozzles, diffuser housings, wall rings; Thermal incineration installations; Combustion installations for fossil fuels.
The invention relates to a regulating device for gas burners for adapting a gas/air mixture which is supplied to the gas burner and which is made of a gas stream and an air stream, comprising a gas valve which is arranged in a gas line that opens into an air line, an electronic control unit for controlling an open position of the gas valve, and a sensor which is connected to the controller and supplies signals to same. The sensor is arranged in a bridging section between the air line and the gas line and is directly operatively connected to the air stream and to the gas stream. The bridging section is fluidically closed such that the gas stream and the air stream are separated in the bridging section.
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electronic control and regulating apparatus for electromotive drives, pumps and other continuous-flow machines with an electromotive drive, axial blowing machines, radial blowing machines. Apparatus for ventilating, Fans, in particular radial fans for heating technology. Engineering services, in particular for developing ventilating apparatus and electric motors.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electric motors; gear motors; pumps and other turbo-engines
with electric motor driven actuation; axial flow blowers;
centrifugal blowers. Electronic control devices for electric motor driven
actuations. Apparatus for ventilating; ventilating fans. Engineering services, particularly in the development of
ventilation equipment and electric motors.
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electric motors; Gear motors; Electronic control and regulating apparatus for electric motor drives, pumps and other turbomachines with an electromotive drive, none of the aforesaid comprising control and regulating apparatus for controlling and regulating moveable apparatus for use in pipelines and ducts, in particular in the chemical, petrochemical, energy-generating, water and wastewater industries; Axial flow blowers; centrifugal blowers. Apparatus for ventilating; Ventilating fans. Engineering services, in particular for developing ventilating apparatus and electric motors.
63.
Gas regulating unit of modular construction and gas regulating valve
The invention relates to a gas regulating unit of modular construction, in particular for regulating the amount of gas to be supplied to a gas burner, and to a gas regulating valve which, as a whole, is in the form of a module and which can be used in an aforementioned gas regulating unit of modular construction.
The invention relates to a centrifugal fan having a fan housing with an electric motor which is provided outside on the fan housing and is supported by a motor mounting, said motor mounting being sealed relative to the fan housing by means of a seal which is at the same time the vibration-isolating element between the electric motor and the fan wheel provided in the fan housing.
The invention relates to a compact centrifugal fan (1), in which a motor mounting (7) lies on an elastomeric element (9) arranged in a through-opening (4) between the fan housing (2) and the motor mounting, said motor mounting being fixed to the fan housing by means of the elastomeric element.
The invention relates to a vibration damping receptacle device for receiving a motor (1) on a fan housing wall (2) having a motor support element (3) on which a plurality of attachments (4) are formed, a plurality of receptacles (6) disposed directly on the housing wall, and a plurality of elastic damping elements (5) disposed between the attachments and the receptacles such that the axial center axes thereof are each oriented at least in sections in the direction of the motor.
F16M 1/02 - Frames or casings of engines, machines, or apparatusFrames serving as machinery beds for reciprocating engines or similar machines
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
The invention relates to a gas control valve for the control of a quantity of gas to be supplied to a gas burner, having a direct pressure regulator which has a valve body that can be moved by an electronically controlled stepper motor.
The invention relates to a gas control unit of modular design, in particular for controlling the quantity of gas to be fed to a gas burner, having a pneumatically controlled gas control valve that is configured as a whole as a module and is usable in such a gas control unit of modular design together with a gas safety valve.
F23N 5/10 - Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
F23D 14/36 - Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electric motors, Gear motors, Electronic control and regulating apparatus for electric motor drives, pumps and other turbomachines with an electromotive drive, axial fans, centrifugal blowers, none of the aforesaid goods for cutting tools. Apparatus for ventilating, fans. Engineering services, In particular with regard to the development of ventilating apparatus and electric motors, none of the aforesaid goods for cutting tools.
71.
BLOWER DEVICE WITH INTEGRATED MANIFOLD FOR A GAS BURNER
The invention concerns a blower device (1) for connecting to a gas burner, which is designed to pre-mix a gas-air mixture before it is fed to the gas burner. The gas blower (1) has a blower housing (2), consisting of a housing cover and a housing bottom part (4) which is connected thereto and integrally formed with a manifold (3) provided for connecting to the gas burner. In the transition region from the blower housing (2) to the manifold (3), an anti-reflux device (7) is provided in the flow region in the form of, for example, a silicone or rubber flap that opens on one side.
The invention relates to a gas regulating unit (100) of modular construction, in particular for regulating the amount of gas to be supplied to a gas burner, and to a gas regulating valve (1) which, as a whole, is in the form of a module and which can be used in an aforementioned gas regulating unit of modular construction.
The invention relates to a gas control valve for the control of a quantity of gas to be supplied to a gas burner, having a direct pressure regulator which has a valve body that can be moved by an electronically controlled stepper motor.
The invention relates to a mixing device for premixing combustion air and gas, having a gas regulating device and a gas outlet and a nozzle, wherein a gas inlet is provided on the nozzle or on a bridging element disposed on the nozzle, and the gas path from the gas outlet to the gas inlet is sealed off by a gasket extending from the gas outlet to the gas inlet.
F23D 14/02 - Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
F23D 14/04 - Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
F23K 5/00 - Feeding or distributing other fuel to combustion apparatus
The invention relates to a vibration damping receptacle device for receiving a motor (1) on a fan housing wall (2) having a motor support element (3) on which a plurality of bosses (4) are formed, a plurality of receptacles (6) disposed directly on the housing wall, and a plurality of elastic damping elements (5) disposed between the bosses and the receptacles such that the axial center axes thereof are each oriented at least in sections in the direction of the motor.
F16F 3/08 - Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
76.
MIXING DEVICE FOR MIXING COMBUSTION AIR AND GAS FOR A GAS APPLIANCE
The invention relates to a mixing device for mixing combustion air and gas for a gas appliance, having a housing (2) with a gas supply connected thereto, and having a nozzle insert (4) which is arranged in the housing (2) and which has a predetermined throughflow cross-sectional area (Q). The housing (2) has an inlet region (6) forming an inlet portion (7), which narrows in the flow direction, of a venturi nozzle (3), wherein the nozzle insert (4) forms at least one outlet portion (13), which widens in the flow direction, of the venturi nozzle (3).
The invention relates to a housing of a turbo machine having an upper part and a lower part, wherein the upper part can be connected to the lower part in a sealing manner and at least one web extending in the direction of the lower part is formed on the upper part, and at least one web extending in the direction of the upper part is formed on the lower part. In the assembled state, the at least one web of the upper part bears on the at least one web of the lower part over a predetermined length in the longitudinal direction in such a way that at least one of the webs is bent elastically in the transverse direction and at least one sealing surface is formed in the area of contact.
The invention relates to a mixing device for premixing combustion air and gas, having a gas regulating device and a gas outlet and a nozzle, wherein a gas inlet is provided on the nozzle or on a bridging element disposed on the nozzle, and the gas path from the gas outlet to the gas inlet is sealed off by a gasket extending from the gas outlet to the gas inlet.
The invention relates to a blower device for delivering at least one medium, comprising a blower having a housing with an inlet and an outlet, a nozzle which is fluidically connected and arranged on the housing such that at least one medium can flow therethrough, wherein the nozzle is designed to effect a negative pressure on the at least one medium at least in some sections, at least one sensor, wherein the sensor is arranged in the effective region of the nozzle and designed to measure at least parameters of the at least one medium which are required to determine the mass of the at least one medium.
The invention relates to a fan assembly, comprising a motor (2) having a motor shaft (3), a fan wheel (4) that is arranged in a housing (5) and driven via the motor shaft, wherein the motor shaft and the fan wheel can be axially moved, and a seal assembly (1), wherein the housing comprises at least one passage that can be sealed by means of the seal assembly by an axial movement of the motor shaft and/or the fan wheel. The invention further relates to a method for checking the tightness of such a fan assembly, wherein the motor shaft and/or the fan wheel are brought into contact with the seal assembly by an axial movement and thus seal the passage for the motor shaft.
The invention relates to a fan comprising a housing and a fan wheel arranged on a motor shaft and being drivable by a motor. According to the invention, the fan is designed as a mixing fan for transporting and mixing a combustible medium with air, wherein at least the fan wheel is designed in an insulating manner.
F04D 29/28 - Rotors specially adapted for elastic fluids for centrifugal or helico-centrifugal pumps
F23D 14/36 - Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
The invention relates to a radial blower (1), comprising a housing (2) and a blower wheel (3) arranged therein, around which a pressure chamber (4) is designed that increases in size in the flow direction in a substantially helical manner. A tongue (5) is arranged in the housing (2), the tongue substantially extending in the circumferential direction with the free end (5) thereof. A diffusor (6) is formed on the housing (2), the diffusor comprising a plurality of flow sections (X, Y, Z), wherein at least a first of the flow sections (X) extends inside the housing (2) and wherein the cross-sections of the flow sections (X, Y, Z) increase toward the air outlet (7) at least in some sections.
The invention relates to a device for the intake side of a fan, comprising at least one gas inlet and one gas outlet, wherein the device is designed as a manifold and a venturi nozzle is integrated in the manifold.
The invention relates to a fan arrangement, comprising an electric motor (2) having a motor shaft (3), a fan wheel (4) driven by the motor shaft and arranged in a housing, at least one shaft bearing (10), a shaft sealing arrangement (1), which has the shape of a crucible, wherein the at least one shaft bearing is inserted in the shaft sealing arrangement, which has a sealing opening (8) for the motor shaft to pass through.
H02K 5/136 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
The present invention relates to an electric motor comprising a motor logic low-voltage supply and a control unit, which contains a microcontroller and an electronic switching element, wherein the motor logic low-voltage supply can be switched off and on by the microcontroller by means of the electronic switching element depending on a target value signal.
H02P 6/00 - Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor positionElectronic commutators therefor
G05B 15/02 - Systems controlled by a computer electric
G05F 1/32 - Regulating voltage or current wherein the variable is actually regulated by the final control device is AC using magnetic devices having a controllable degree of saturation as final control devices
H02P 23/00 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control
86.
SECURITY SYSTEM IN AND METHOD FOR OPERATING AN INTERNAL COMBUSTION SYSTEM
A system and a method for safely operating a mass flow sensor in an internal combustion system comprising a gas feed, an air feed, a ventilator with an electric motor, a burner and a communication microprocessor, wherein the mass flow sensor comprises a microprocessor for communication, the communication microprocessor communicates with the microprocessor of the mass flow sensor, and the communication involves safety-related queries of the mass flow sensor to safeguard the mass flow sensor.
Disclosed is a radial fan, in particular for a gas burner for premixing air and gas. Said radial fan comprises a housing (2) with a radial fan wheel that is arranged therein, and a control valve (3) for regulating the amount of gas. The control valve (3) encompasses a valve seat (4) that is formed by part of the housing (2).
F23D 14/36 - Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
The invention relates to a method for starting a firing device, in particular for first-time non-ignition of a gas burner, in unknown general conditions, a characteristic curve of a start air coefficient known from empirical calculations, being stored for the firing device in a memory in conjunction with the burner temperature. According to the invention, a calibration of the start profile is carried out. The ratio of opening of the gas valve (w) to the amount of air ML, required for ignition, is determined in an iterative manner by varying the amount of gas and/or air, and in the event of ignition, the firing device is started and the relevant air coefficient (阳)IGNITION is recorded.
A radial fan comprises a casing having a side portion and a pot-like casing portion, an impeller wheel arranged therein and having radially extending blades, an electric motor arranged at the side portion, and a pressure chamber which is formed by the casing portion and the side portion. The pressure chamber with the impeller wheel space between the blades forms in cross-section a nozzle in the manner of a venturi nozzle. The ratio of the greatest blade height H/greatest diameter D of the scroll is substantially between H/D=0.08 and H/D=0.3.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Electric motors, geared motors, electronic control devices for electric motor drives, pumps and other fluid flow machines with electric motor drive, axial blowers, radial blowers.
(2) Ventilation devices, namely ventilators for supplying fresh air. (1) Services of engineers, namely the development of ventilation devices, namely ventilators for supplying fresh air and electric motors.
