System and method for controlling the amount of lost motion betw

Details System and method for controlling the amount of lost motion betw System and method for controlling the amount of lost motion betw

1996-08-22

1998-11-03

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

123 9016, 123 9022, 123198D, 123321, F01L 902, F01L 1300

Patent

active

058293973

ABSTRACT:
An internal combustion engine lost motion valve actuation system is disclosed. The system includes a variable length connection means connecting a force imparting means and an engine valve. The connection means may assume plural lengths to provide plural amounts of lost motion. The connection means may provide a maximum amount of lost motion which provides some minimum level of valve actuation suitable for a limp home operation of the engine. The connection means is operable for both engine positive power and engine braking modes of operation.

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