Air cleaner module having integrated engine valve cover

Details Air cleaner module having integrated engine valve cover Air cleaner module having integrated engine valve cover

1999-03-01

2000-07-18

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

12318421, 12318431, 12318434, 12318447, 123198E, 123572, F02M 3510

Patent

active

060891998

ABSTRACT:
A modular integrated intake manifold (10) for a V-type internal combustion engine (20). A fuel module (16) nests between cylinder heads (28, 30) and has through-passages (42) leading to intake valves in the heads. An air cleaner module (12), which has an air box (60) within which intake air is filtered, also closes on one of the heads (28) to cover the exhaust and intake valves and the valve operating mechanisms of that head. A plenum/runner module (14) has a plenum that closes on the other of the heads (30) to cover the exhaust and intake valves and the valve operating mechanisms of that head. Runners (160, 162, 164, 172, 174, 176) have respective combustion air entrances disposed within a plenum chamber space (142) of the plenum and run to the through-passages of the fuel module. The runners are part of a runner pack (132) that has both complete (160, 162, 164) and incomplete (166, 168, 170) runners and that when assembled into the plenum, completes the incomplete runners. The integrated manifold includes a self-contained PCV system (104, 106, 108).

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