Refrigerant flow rate control device

Automatic temperature and humidity regulation – Thermostatic – With pressure control

Patent

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Details

62528, 251282, 2513353, G05D 2700

Patent

active

046180923

ABSTRACT:
A refrigerant flow rate control device for the refrigeration cycle of an air conditioning system of an automotive vehicle which is driven by a vacuum actuator includes a communication passageway for equalizing pressures applied to opposite ends of a valve body. The valve body has an intermediate portion maintained in communication with the atmosphere and connected to the vacuum actuator.

REFERENCES:
patent: 2165518 (1939-07-01), Stolz
patent: 2165519 (1939-07-01), Stolz et al.
patent: 3684238 (1972-08-01), Michellone et al.
patent: 4129995 (1978-12-01), Uaumi

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