Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Patent
1975-10-30
1980-10-14
Lazarus, Ira S.
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
123 9043, 123198F, F02D 1306, F01L 118
Patent
active
042274940
ABSTRACT:
An improved valve disabler and disabler control for a multi-cylinder engine having individually pivoted rocker arms and an intake and exhaust valve pair for each cylinder. Each intake and exhaust valve of half of the valve pairs is associated with a selectively operable valve disabler. Each disabler includes slideable fulcrum means, a spring biasing the fulcrum into engagement with the rocker arm, a stop for limiting sliding movement of the fulcrum in the biased direction, a sleeve slideable with the fulcrum, latch means rotatable between a valve enabling position which prevents sliding movement of the sleeve and valve disabling position which allows sliding movement of the sleeve. The control includes a spring resiliently interconnecting and biasing the latches to their respective enabling position, a link pivotally connected to the latch associated with the exhaust valve and slideably and pivotally connected to the latch associated with the intake valve, and an alignment plate interconnecting a pair of disablers and providing support for retainers which prevent rotation of the sleeves and limit rotation of the latches.
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Eaton Corporation
Lazarus Ira S.
McCloskey R. J.
Rulon P.
Wood D.
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