Internal-combustion engines – Engine speed regulator – Specific throttle valve structure
Patent
1992-01-27
1992-09-15
Nelli, Raymond A.
Internal-combustion engines
Engine speed regulator
Specific throttle valve structure
123336, F02D 908
Patent
active
051468875
ABSTRACT:
A valve assembly for regulating air flow to an internal combustion engine comprises a valve body having a valve bore forming an induction passage, and a shaft extending across the valve bore. A valve member is secured to the shaft for rotation in excess of 90 degrees between a nonactuating position and a maximum actuating position. The valve member passes through a zero degree position when rotated from the maximum actuating position to the nonactuating position. The flow area around the valve member when in the zero degree position is less than the flow area when the valve member is in the nonactuating position. A return mechanism urges the valve member toward the nonactuating position when the valve member is rotated away from the nonactuating position.
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European Search Report, 17 Oct. 1991.
Brisbane Roger M.
Gluchowski Paul L.
Haltiner, Jr. Karl J.
Savini David G.
Smith Daniel F.
Belcher Gordon F.
General Motors Corporation
Nelli Raymond A.
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