Start assister of fuel injection pump

Details Start assister of fuel injection pump Start assister of fuel injection pump

2005-04-19

2005-04-19

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Starting device

With fuel or intake air control

Reexamination Certificate

active

06880508

ABSTRACT:
A start assister (10) of a fuel injection pump, comprising a piston (46) inlayed into a housing (H), an upper chamber (49) formed over the piston (46), lower chamber (48) formed under the piston (46), wherein a sub port (42) is opened and closed by sliding of the piston (46), and a fuel injection timing is advanced by closing the sub port (42). A thermo-element (61) for sliding the piston is arranged on one side of the piston (46) in sliding direction. A telescopic pin (61a) of the thermo-element (61) is arranged in a low-pressure chamber (50) divided into the upper chamber and the lower chamber, and a connection pin (62) is interposed between the telescopic pin (61a) and the piston (46).

REFERENCES:
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patent: 5848581 (1998-12-01), Hirose et al.
Patent Abstracts of Japan. Publication No.: 2000-234576, Date of Publication: Aug. 29, 2000; Title: Injection Timing Control Structure of Fuel Injection Pump.

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