Goods & Services

Portable electric heaters

Abstract

The present application relates to a cooking device, comprising an inner shell, wherein a heat insulating plate is arranged in the inner shell; a heating assembly is arranged above the heat insulating plate; the heating assembly comprises a heating element and a heating plate; the heating plate is arranged above the heating element; an air duct is arranged between the heat insulating plate and the heating plate; air holes are formed at ends of the heating plate; a cooking plate is further arranged on the heating plate; air vents are formed on the cooking plate; the air vents are communicated with the air holes of the heating plate; and, the air duct is communicated with the air holes of the heating plate.

IPC Classes  ?

• A47J 27/00 - Cooking-vessels

Goods & Services

(1) Electric fans for household purposes.

Abstract

A 3D flame projection system is provided, comprising a light source and a light-transmittable hood. The light source is disposed inside the light-transmittable hood. The 3D flame projection system further comprises a lens which has different refractive indexes for refracting light generated by the light source and splitting the light into a plurality of light beams at different angles and/or has different light transmittances for allowing light generated by the light source to partially transmit through the lens. The 3D flame projection system has the following advantages: simple structure, low cost, small space occupation, realistic flame dancing effect, and it is advantageous for realization of ultrathin production of fireplaces.

IPC Classes  ?

• F21S 10/04 - Lighting devices or systems producing a varying lighting effect simulating flames
• F21V 7/00 - Reflectors for light sources
• F21V 14/06 - Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F24D 13/00 - Electric heating systems
• F24C 7/00 - Stoves or ranges heated by electric energy

Goods & Services

Electric fans

Goods & Services

Portable electric heaters

Abstract

A radiating fin with a bent radiating portion and an electrothermal oil heater using the same are provided. The radiating fin comprises a main body with an oil guide groove formed therein, connecting sleeves extending in a horizontal direction being provided at an upper end and a lower end of the main body; a bent radiating portion is formed within a region, a certain distance away from the middle, of an edge of at least one end of the main body; and an upper end and a lower end of the bent radiating portion are located in different vertical planes, or the upper end and the lower end of the bent radiating portion are located in a same vertical plane, and at least one portion between the upper end and the lower end is bent to form a side-raised structure. Compared with the prior art, the radiating fin with a bent radiating portion provided in the present invention has the following advantages: by forming a bent radiating portion within a region, a certain distance from the middle, of an edge of any end of the radiating fin, when a plurality of the radiating fins are connected to each other, a combined radial and convective radiating way can be realized and meanwhile the transverse radiation and the longitudinal radiation of the radiator are strengthened.

IPC Classes  ?

• F24H 3/00 - Air heaters
• F28F 3/06 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
• F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
• F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
• F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
• F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
• F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
• F24D 19/00 - DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMSDOMESTIC HOT-WATER SUPPLY SYSTEMSELEMENTS OR COMPONENTS THEREFOR Details
• F28D 1/02 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid
• F24D 13/04 - Electric heating systems using electric heating of heat-transfer fluid in separate units of the system
• F28D 21/00 - Heat-exchange apparatus not covered by any of the groups