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Title:
The control method of a direct injection type fuel injection pump
Document Type and Number:
Japanese Patent JP6044664
Kind Code:
B2
Abstract:
A pump may have a first chamber and a solenoid coil to control movement of a first valve member. A second chamber may have a second valve member to control fluid moving into a third chamber. A first fluid passageway may link the first and second chambers, a second passageway may link second and third chambers and a third passageway may link third and fourth chambers. After pressurizing the third chamber causing fluid to flow into and leave a fourth chamber, the third chamber depressurizes due to downward movement of a plunger. Upon depressurization with a solenoid coil energized, second valve member floats and then moves against a valve seat. While the second valve member is moving toward the valve seat, the solenoid coil is de-energized causing the first valve member to move and strike the second valve member when the second valve member is moving at maximum velocity.

Inventors:
Tsutomu Furuhashi
Rebecca Spence
Joseph Rubinski
Diana Lama Mercy
Kaoru Oda
Application Number:
JP2015041439A
Publication Date:
December 14, 2016
Filing Date:
March 03, 2015
Export Citation:
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Assignee:
株式会社デンソー
デンソー インターナショナル アメリカ インコーポレーテッド
International Classes:
F02M59/36; F02M51/00; F02M59/44; F02M59/46
Domestic Patent References:
JP2009074504A
JP2003161226A
Foreign References:
WO2006060545A1
Attorney, Agent or Firm:
Takanori Kubo
Kazuyuki Yahagi
Taihei Nonobe