Resources Contact Us Home
Switch valve for hot gas circuit of refrigerant circuit

Image Number 3 for United States Patent #6367506.

A switch valve is provided in a refrigerant circuit. The switch valve includes a first valve mechanism, a second valve mechanism, and a single valve housing incorporating the first and second valve mechanisms. The first valve mechanism is an electromagnetic valve. The first valve mechanism selectively connects and disconnects an outlet of a compressor with an inlet of a condenser in accordance with an electric current supply. The second valve mechanism is a differential pressure valve. The second valve mechanism selectively connects and disconnects the outlet of the compressor with an inlet of an evaporator in accordance with a difference between the pressure at the outlet of the compressor and the pressure at the inlet of the condenser. In this manner, the single switch valve, which includes the first and second valve mechanisms incorporated in the same valve housing, switches the refrigerant circuit between a path for a cooling operation and a path for a warming operation. This structure simplifies the configuration of the refrigerant circuit.

  Recently Added Patents
Method of manufacturing nitride semiconductor and nitride semiconductor element
XDSL system and signal transmission method, sending device, and receiving device of xDSL system
Image forming apparatus capable of timely starting different image formation mode
Method for switching between virtualized and non-virtualized system operation
Use of emerging non-volatile memory elements with flash memory
Device and implantation system for electrical stimulation of biological systems
Cross-linkable compositions
  Randomly Featured Patents
Automatic packaging machine
Abienol-producing somaclonal variants of nicotiana
Diving mask
Rare earth permanent magnet
Ink container
Cross-linkable melamine coating compositions
Dental stick
Systems and methods with interrupt/resume capabilities for treating subcutaneous lipid-rich cells
Analytical model producing method and analytical model producing apparatus
Bump electrode structure to be coupled to lead wire in semiconductor device