Engine starting device for multiple engine-driven air conditione

Details Engine starting device for multiple engine-driven air conditione Engine starting device for multiple engine-driven air conditione

1989-09-21

1990-11-20

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

623231, 123360, 123DIG8, F25B 2700

Patent

active

049708732

ABSTRACT:
The invention relates to a speed control system for a multiple engine air conditioning system in which two or more engines are used to drive respective compressors for operation of two or more heat pump circuits. According to the invention, the engine speed control system has a negative pressure generating circuit connected in common to the intake manifolds of two or more engines.

REFERENCES:
patent: 3529434 (1970-09-01), Hough, Jr.
patent: 4531379 (1985-07-01), Diefenthaler, Jr.
patent: 4790403 (1988-12-01), Akita et al.
patent: 4825663 (1989-05-01), Nijjar et al.

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