Apparatus for controlling negative pressure in internal combusti

Details Apparatus for controlling negative pressure in internal combusti Apparatus for controlling negative pressure in internal combusti

1997-06-24

2000-08-01

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123295, 123399, 477205, 477206, 3031143, B60T 1352, F02D 4112

Patent

active

060951168

ABSTRACT:
An improved apparatus controls negative pressure in a combustion engine. The apparatus has a brake booster that is capable of increasing braking force of a vehicle by means of the negative pressure in the brake booster. A valve disposed in an air intake pressure generates the negative pressure that is supplied to the brake booster. An electric control unit controls the valve when pressure in the brake booster is in excess of a predetermined magnitude.

REFERENCES:
patent: 2876876 (1959-03-01), Cummins
patent: 3947073 (1976-03-01), Cattaneo et al.
patent: 4043123 (1977-08-01), Konish et al.
patent: 4328669 (1982-05-01), Mort
patent: 4610483 (1986-09-01), Matsumoto et al.
patent: 5078457 (1992-01-01), Rittmannsberger et al.
patent: 5152587 (1992-10-01), Volz
patent: 5826559 (1998-10-01), Ichimoto et al.
patent: 5846164 (1998-12-01), Harada
Patent Abstracts of Japan, Publication No. 06050191. Feb. 22, 1994.

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