Integrated hydraulic cooler and return rail in camless...

Details Integrated hydraulic cooler and return rail in camless... Integrated hydraulic cooler and return rail in camless...

2008-09-12

2011-12-13

Eshete, Zelalem (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

C123S090160

Reexamination Certificate

active

08074614

ABSTRACT:
An engine assembly may include a cylinder head defining an engine coolant reservoir, a pressurized fluid supply, a valve actuation assembly, and a hydraulic fluid reservoir. The valve actuation assembly may be in fluid communication with the pressurized fluid supply and may include a valve member displaceable by a force applied by the pressurized fluid supply. The hydraulic fluid reservoir may be in fluid communication with the valve actuation assembly and in a heat exchange relation to the engine coolant reservoir.

REFERENCES:
patent: 6886510 (2005-05-01), Sun et al.
patent: 7194990 (2007-03-01), Sun
patent: 2007/0137607 (2007-06-01), Ledbetter
patent: 101012783 (2007-08-01), None
patent: 101171405 (2008-04-01), None
patent: 57062911 (1982-04-01), None
Abstract of JP57062911 shown above.

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