Four-way electrovalve governed by a thermoactuator associated wi

Details Four-way electrovalve governed by a thermoactuator associated wi Four-way electrovalve governed by a thermoactuator associated wi

1987-05-11

1988-06-28

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762544, 251 11, 2513353, F16K 3168

Patent

active

047532718

ABSTRACT:
A four-way electrovalve, particularly for the reversal of refrigerant flow in all types of refrigeration and conditioning systems such as heat pumps, or any other systems where it is periodically necessary to reverse the direction of flow of a compressed fluid. The valve comprises a hermetically sealed housing with four ports for the inflow and outflow of pressurized fluids; said ports are controlled by a deflector governed by a thermoactuator associated with one or more thermistors (PTC) acting against elastic devices (FIG. 1.).

REFERENCES:
patent: 4618092 (1986-10-01), Fukushima et al.

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