Automotive air conditioning system including electrically operat

Details Automotive air conditioning system including electrically operat Automotive air conditioning system including electrically operat

1985-05-16

1986-12-30

Wayner, William E.

Valves and valve actuation

With restrictor in parallel to main valve

62528, 25112907, F16K 3102

Patent

active

046323589

ABSTRACT:
An automotive air conditioning system including an electrically operated expansion valve controlling refrigerant flow to the evaporator. The valve is pressure balanced and provides a minimum flow even when the valve is fully closed. The valve includes a solenoid operator which is energized in a pulse width modulated fashion.

REFERENCES:
patent: 3810488 (1974-05-01), Orth et al.
patent: 4362027 (1982-12-01), Barbier
patent: 4425767 (1984-01-01), Barbier
patent: 4459819 (1984-07-01), Hargraves

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