Oil communication manifold for an internal combustion engine

Details Oil communication manifold for an internal combustion engine Oil communication manifold for an internal combustion engine

2007-08-01

2009-12-15

McMahon, M. (Department: 3741)

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

Reexamination Certificate

active

07631631

ABSTRACT:
A cylinder head assembly for an internal combustion engine is provided having a cylinder head adapted to contain at least one switchable valvetrain element operable to selectively deactivate at least one intake valve and at least one other switchable valvetrain element operable to selectively deactivate at least one exhaust valve. The cylinder head defines at least one feed passage operable to selectively communicate fluid pressure to the at least one switchable valvetrain element to selectively deactivate the at least one intake valve. The cylinder head defines at least one other feed passage operable to selectively communicate fluid pressure to the at least one other switchable valvetrain element to selectively deactivate the at least one exhaust valve. An oil communication manifold is mounted to the head and defines at least one communication passage operable to enable communication of fluid pressure between the at least one feed passage and the at least one other feed passage.

REFERENCES:
patent: 4627391 (1986-12-01), Derringer
patent: 5701857 (1997-12-01), Hara
patent: 6557518 (2003-05-01), Albertson et al.
patent: 6584951 (2003-07-01), Patel et al.
patent: 7040265 (2006-05-01), Falkowski et al.

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