Lubricating device

Details Lubricating device Lubricating device

2011-04-19

2011-04-19

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

C123S090340, C123S090390, C123S090440, C123S090600, C123S1960CP

Reexamination Certificate

active

07926458

ABSTRACT:
A lubricating device comprises a cam shaft, plural cam portions for each valve provided at the cylinder head, a valve driving mechanism to change a rotational movement of the cam portion to an opening-and-closing movement of the valve via a slide member on which a peripheral surface of the cam portion slides, an oil passage of the cam shaft, a nozzle provided at either one of the cam portions to open at the peripheral surface of the cam portion and connect to the oil passage of the cam shaft, and a wall body having a recess portion. The recess portion collects lubricating oil ejected out of the nozzle and guides the lubricating oil collected to the peripheral surface of the other cam portion when the one cam portion is located in a position in which the nozzle is not directed to the slide member.

REFERENCES:
patent: 4343270 (1982-08-01), Kawabe
patent: 5492086 (1996-02-01), Kuhns
patent: 6631701 (2003-10-01), Seader et al.
patent: 1403497 (2004-03-01), None
patent: 2464364 (1981-03-01), None
patent: 2746846 (1997-10-01), None
patent: 2001-329832 (2001-11-01), None
Jean Mouton, “European Search Report”, EP 08014376, Dec. 18, 2008.

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