Molded dual cam cover

Details Molded dual cam cover Molded dual cam cover

1993-07-13

1994-06-28

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 4186, 123143C, 123195C, 123572, F01M 910

Patent

active

053237404

ABSTRACT:
A dual cam cover has a molded housing made, preferably, of a thermoset polyester composite material replacing an aluminum casting. An integral stiffening bar added between raised cam chamber walls includes retaining slots for holding associated spark plug wires. Peripheral mounting bosses include cylinder like angled ribs for sturdy support with a pleasant appearance. Isolated mounting screws combine with resilient gaskets in the peripheral flange and around central spark plug and fastener openings to provide sealing and mounting isolation. Improved oil separators include one piece metal baffles with formed drain openings. A bushing and a threaded insert are molded in for mounting a vent tube and an accessory.

REFERENCES:
patent: 4498433 (1985-02-01), Ogawa
patent: 4538560 (1985-09-01), Alden
patent: 4721090 (1988-01-01), Kato
patent: 4727833 (1988-03-01), Nakashima
patent: 4756283 (1988-07-01), Kleinbohl
patent: 4821699 (1989-04-01), Mackin
patent: 4993375 (1991-02-01), Akihiko
patent: 5058542 (1991-10-01), Grayson et al.
patent: 5129371 (1992-07-01), Rosalik, Jr.
patent: 5168842 (1992-12-01), Brooks
patent: 5228420 (1993-07-01), Furuya et al.
patent: 5255647 (1993-10-01), Kiczek

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