Method and apparatus for engine torque disturbance reduction...

Details Method and apparatus for engine torque disturbance reduction... Method and apparatus for engine torque disturbance reduction...

2006-10-31

2006-10-31

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Starting device

For airplane

Reexamination Certificate

active

07128035

ABSTRACT:
An internal combustion engine's start-up torsional disturbances are reduced by drawing down intake manifold pressure prior to engine cranking. In a preferred arrangement, a secondary air injection reaction pump is adapted for evacuating the intake manifold to effect the desired draw down of the intake manifold pressure.

REFERENCES:
patent: 4177784 (1979-12-01), Tatsutomi et al.
patent: 5417109 (1995-05-01), Scourtes
patent: 6763803 (2004-07-01), Wild et al.
patent: 6863048 (2005-03-01), Burkhard et al.

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