START ASSISTER OF FUEL INJECTION PUMP

Title:

START ASSISTER OF FUEL INJECTION PUMP

Document Type and Number:

WIPO Patent Application WO/2003/029631

Kind Code:

A1

Abstract:

A start assister (10) of a fuel injection pump, comprising a piston (46) fitted to a housing (H) and an upper chamber (49) formed on the upper side of the piston (46) and a lower chamber (48) formed on the lower side thereof, wherein a sub port (42) is opened and closed by the sliding operation of the piston (46) and a fuel injection timing is advanced by closing the sub port (42), the piston (46) is slid by a thermo element (61) disposed on one side of the piston (46) in sliding direction, the extension pin (61a) of the thermo element (61) is disposed in a low pressure chamber (50) separated from the upper and lower chambers, and a connection pin (62) is positioned between the extension pin (61a) and the piston (46).

Inventors:

TANAKA MASAMICHI (JP)
SAMO JUNICHI (JP)
HATTORI SATOSHI (JP)
OGAWA TOHRU (JP)

Application Number:

PCT/JP2002/008354

Publication Date:

April 10, 2003

Filing Date:

August 19, 2002

Export Citation:

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Assignee:

YANMAR CO LTD (JP)
TANAKA MASAMICHI (JP)
SAMO JUNICHI (JP)
HATTORI SATOSHI (JP)
OGAWA TOHRU (JP)

International Classes:

F02D1/02; F02M41/06; F02M59/26; F02M59/42; (IPC1-7): F02D1/02; F02M59/42; F02M41/06

Foreign References:

JP2000234576A

2000-08-29

Other References: