Engine with decompression device

Details Engine with decompression device Engine with decompression device

2007-08-06

2010-06-01

Cronin, Stephen K (Department: 3747)

Internal-combustion engines

Starting device

Compression relieving type

C123S1950HC, C123S1960CP

Reexamination Certificate

active

07726271

ABSTRACT:
To suppress the overall length of a camshaft including the length of a decompression device provided in an engine and also to suppress an increase in number of parts of the decompression device, an engine includes a decompression device having a decompression weight pivotably supported through a pivot shaft to a camshaft and adapted to be rotated at a predetermined angle by a centrifugal force generated during the rotation of the camshaft. A weight accommodating portion for pivotably accommodating the decompression weight is formed between the opposite end portions of the camshaft. The outer diameter of the decompression device mounted to the camshaft is smaller than that of a ball bearing. The decompression weight is directly engaged with one end of a decompression camshaft to thereby rotate the decompression camshaft.

REFERENCES:
patent: 1332176 (1920-02-01), Heindlhofer
patent: 4696266 (1987-09-01), Harada
patent: 4790271 (1988-12-01), Onda
patent: 5711264 (1998-01-01), Jezek et al.
patent: 5884593 (1999-03-01), Immel et al.
patent: 7328678 (2008-02-01), Grybush
patent: 1 380 729 (2004-01-01), None
patent: 1 460 240 (2004-09-01), None
patent: 2 508 995 (1983-01-01), None
patent: 2005-307840 (2005-11-01), None

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