Exhaust back pressure control

Details Exhaust back pressure control Exhaust back pressure control

1976-08-30

1977-10-04

Lazarus, Ronald H.

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

60324, F02D 3100, F01N 700

Patent

active

040518213

ABSTRACT:
An exhaust pressure maintenance system and apparatus for an engine exhaust system which imposes a scheduled back pressure on the engine independently of restrictions in the exhaust lines downstream from a pressure controller valve. The back pressure which is maintained is purposely lower at low flow rates than at high flow rates, so that the engine power is not unnecessarily diminished under these conditions.

REFERENCES:
patent: 2730090 (1956-01-01), Holl
patent: 2744510 (1956-05-01), Tyler et al.
patent: 3577727 (1971-05-01), Warren
patent: 3838670 (1974-10-01), King

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