Title:
FUEL PUMP
Document Type and Number:
WIPO Patent Application WO/2023/281992
Kind Code:
A1
Abstract:
A fuel pump according to the present invention includes: a pump head; a plurality of plunger barrel units that are mounted in parallel with the pump head and that include a plurality of pressurization chambers in which a plurality of plungers are movably supported, and in which fuel is pressurized by movement of the plungers; a plurality of discharge valve units disposed in a plurality of fuel discharge channels provided to the pump head so as to each communicate with the plurality of pressurization chambers; a plurality of intake valve units disposed in a plurality of fuel intake channels provided to the pump head so as to each communicate with the plurality of pressurization chambers; a fuel discharge side communication channel by which the plurality of fuel discharge channels are communicated; and a connector that is capable of externally supplying fuel in the fuel discharge side communication channel.
Inventors:
OGAWA HISAO (JP)
Application Number:
PCT/JP2022/023810
Publication Date:
January 12, 2023
Filing Date:
June 14, 2022
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F02M55/02; F02M37/00; F02M59/04; F02M59/08; F02M59/44
Domestic Patent References:
| WO2005085625A1 | 2005-09-15 |
Foreign References:
| JPH07269461A | 1995-10-17 | |||
| JP2013053555A | 2013-03-21 | |||
| JPH08226362A | 1996-09-03 | |||
| CN112780470A | 2021-05-11 | |||
| JP5182125B2 | 2013-04-10 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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