Vehicle vacuum supply system

Details Vehicle vacuum supply system Vehicle vacuum supply system

1980-07-28

1982-06-01

Peters, Jr., Joseph F.

Motor vehicles

Power

With spring powered motor

60397, 60412, 60484, 138 44, B60T 1348

Patent

active

043323022

ABSTRACT:
A vacuum supply system for automotive vehicles having vacuum powered accessories and driven by an engine with an air intake system in which vacuum is developed that may be inadequate to operate the accessories under some conditions. A vacuum pump, which may be engine driven, is connected between the engine and the accessories to supplement the operating vacuum. Flow limiting orifices in a junction connecting with secondary accessories provide for continued operation of a primary accessory such as a vacuum brake booster in spite of the disconnection of a vacuum hose or other massive air leak in one of the secondary accessory lines.

REFERENCES:
patent: 2366382 (1945-01-01), Burton et al.
patent: 2899979 (1959-08-01), Dahl et al.
patent: 3006535 (1961-10-01), White
patent: 3799132 (1974-03-01), MacGuire
patent: 4024713 (1977-05-01), Ueda
patent: 4159013 (1979-06-01), Sawada et al.

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