Internal combustion engine with variable camshaft timing and var

Details Internal combustion engine with variable camshaft timing and var Internal combustion engine with variable camshaft timing and var

1998-06-09

1999-10-05

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9016, 123 9017, 123 9023, 12356814, F01L 1300, F02B 4708

Patent

active

059607556

ABSTRACT:
A reciprocating four-stroke internal combustion engine includes a variable exhaust valve operating system for changing the duration of an exhaust valve opening event and also a camshaft drive for rotating a valve operating camshaft and adjusting the rotational timing of the camshaft with respect to the crankshaft.

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Dual Equal VCT-A Variable Camshaft Timing Strategy for Improved Fuel Economy and Emissions, SAE Technical Paper Series 950975, p 1-13, R. Stein, K. Galietti and T. Leone, Mar. 1995.

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