Title:
HIGH-PRESSURE PUMP
Document Type and Number:
WIPO Patent Application WO/2016/113824
Kind Code:
A1
Abstract:
A high-pressure pump equipped with: an upper housing (15) for forming an intake channel connected to a compression chamber having a cylinder; a valve seat (43) having a seat surface (432) and a connecting channel (431) for connecting the compression-chamber side and the side opposite the compression chamber with one another, and provided in the intake channel of the upper housing; an intake valve member (44) for blocking the flow of fuel between the connecting channel (431) and the compression chamber by contacting the seat surface (432), and allowing the flow of fuel between the connecting channel (431) and the compression chamber by separating from the seat surface (432); a floor-equipped cylindrical member (45) provided on the compression-chamber side of the valve seat (43); a spring (49) capable of biasing the intake-valve member (44) toward the valve-seat (43) side, and provided between the floor-equipped cylindrical member (45) and the intake valve member (44); and the like. The floor-equipped cylindrical member (45) is formed separately from the valve seat (43), has a sliding part (46) capable of sliding along the outer-edge section (443) of the intake-valve member (44), and guides the movement of the intake-valve member (44).
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Inventors:
KOSHIMOTO SHINICHIRO (JP)
MIYAMOTO YUTAKA (JP)
MIYAMOTO YUTAKA (JP)
Application Number:
PCT/JP2015/006430
Publication Date:
July 21, 2016
Filing Date:
December 24, 2015
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F02M59/36
Foreign References:
| JP5830492B2 | 2015-12-09 | |||
| JP2010156266A | 2010-07-15 | |||
| JP5370792B2 | 2013-12-18 |
Attorney, Agent or Firm:
KIN, Junhi (JP)
Gold Junki (JP)
Gold Junki (JP)
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