Refrigeration thermostat with controlled pressure equalization

Details Refrigeration thermostat with controlled pressure equalization Refrigeration thermostat with controlled pressure equalization

1997-10-21

1999-11-02

Bennett, Henry

Refrigeration

Structural installation

Vertical partition or wall mounting feature

236 91A, 337328, 62187, F25D 2312

Patent

active

059748192

ABSTRACT:
A refrigeration apparatus containing a thermostat, adapted for use in a food storage compartment potentially containing a flammable gas, includes a thermostat and an enclosure forming a chamber configured to house the thermostat. The enclosure has two umbrella-type check valves configured to permit gas to pass into the chamber or out of the chamber when a predetermined pressure differential exists between the chamber and the food storage compartment. The enclosure forms a seal with the thermostat so that gas only passes through the check valves.

REFERENCES:
patent: 4041433 (1977-08-01), Watson
patent: 4824013 (1989-04-01), Gouldey

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