Hollow rocker-arm shaft for internal combustion engines

Details Hollow rocker-arm shaft for internal combustion engines Hollow rocker-arm shaft for internal combustion engines

1994-09-14

1995-12-19

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

F01L 118, F01M 1102

Patent

active

054760755

ABSTRACT:
The invention resides in a hollow rocker-arm shaft with multiple internal passages for an internal combustion engine which rocker-arm shaft consists of two shell sections forming circular segments which are welded together by a weld seam extending along the longitudinal edges of the circular segments and at least one dividing wall extends through the interior of the hollow shaft between the weld seams and divides the interior of the hollow shaft into at least two passages.

REFERENCES:
patent: 4615310 (1986-10-01), Umeha et al.
patent: 4662323 (1987-05-01), Moriya
patent: 4807574 (1989-02-01), Shibata et al.
patent: 5010857 (1991-04-01), Hempelmann et al.
patent: 5125373 (1992-06-01), Yamada et al.

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