Rocker arm and method of manufacturing the same

Details Rocker arm and method of manufacturing the same Rocker arm and method of manufacturing the same

2007-03-06

2007-03-06

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090510, C123S090390, C074S559000, C074S569000, C029S888200, C148SDIG030, C148S229000, C148S233000, C148S663000

Reexamination Certificate

active

11033470

ABSTRACT:
A rocker arm1made of sheet metal is formed so that Vickers hardness Hvof the surface layer portion9aof the valve stem receiver9is set at Hv650 to 800 and a quantity of the retained austenite γR is set at 25 to 35 vol %.

REFERENCES:
patent: 4856469 (1989-08-01), Okazaki et al.
patent: 4904094 (1990-02-01), Furumura et al.
patent: 5268040 (1993-12-01), Naito et al.
patent: 5336338 (1994-08-01), Toda
patent: 5413643 (1995-05-01), Murakami et al.
patent: 6158263 (2000-12-01), Maeda et al.
patent: 6197128 (2001-03-01), Maeda
patent: 6478893 (2002-11-01), Takemura
patent: 6808571 (2004-10-01), Tanaka et al.
patent: 55-087809 (1980-07-01), None
patent: 59-013046 (1984-01-01), None
patent: 60-125349 (1985-07-01), None
patent: 01-066407 (1989-03-01), None
patent: 06-042537 (1994-02-01), None
patent: 6-74004 (1994-03-01), None
patent: 06-129433 (1994-05-01), None
patent: 06-129434 (1994-05-01), None
patent: 07-054616 (1995-02-01), None

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