Engine cylinder head cover

Details Engine cylinder head cover Engine cylinder head cover

1990-05-11

1991-02-19

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123195C, 123572, F01M 910

Patent

active

049933752

ABSTRACT:
To scavenge blow-by gas blown into a crank case with newly introduced external air at high replacement efficiency and further to provide oil separating baffle plates at both the main oil-separation passage and the subsidiary oil separation passage (used when blow-by gas follows in the reverse direction from the external air outlet to the external air inlet), the external air outlet and the blow-by gas inlet are located in diagonally furthest positional relationship with respect to each other within the cylinder head cover; and further a U-shaped blow-by gas passage including the main oil-separation passage is arranged on one longitudinal space of the head cover and another U-shaped external air passage including the subsidiary oil-separation passage is also arranged on the other longitudinal space of the head cover.

REFERENCES:
patent: 4584975 (1986-04-01), Ohmi et al.
patent: 4593659 (1986-06-01), Wells et al.
patent: 4597372 (1986-07-01), Furukawa
patent: 4607604 (1986-08-01), Kanoh et al.
patent: 4608950 (1986-09-01), Payne et al.
patent: 4721090 (1988-01-01), Kato
patent: 4760833 (1988-08-01), Tatyrek

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