Title:
OIL JET FOR INTERNAL COMBUSTION ENGINE AND PISTON COOLING DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2016/189959
Kind Code:
A1
Abstract:
An oil jet (23) is provided with an injection nozzle (32) that injects an engine oil supplied from an oil supply passage toward a piston. This injection nozzle (32) comprises a first conduit (36) comprising a supply opening (35) that is in communication with the oil supply passage side, and a second conduit (38) comprising an injection opening (37) that injects the engine oil, the first conduit (36) and second conduit (38) being connected so that the center axes thereof meet at a prescribed angle. The injection opening (37) is formed so that the cross-sectional area thereof is greater than the minimum cross-sectional area in the radial direction of the first conduit (36).
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Inventors:
SHISHIDO KEITAROU (JP)
Application Number:
PCT/JP2016/060004
Publication Date:
December 01, 2016
Filing Date:
March 29, 2016
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F01P3/08; F01M1/08
Foreign References:
| JPS6427426U | 1989-02-16 | |||
| JPS5659921U | 1981-05-22 | |||
| JPS59139515U | 1984-09-18 | |||
| US20100037839A1 | 2010-02-18 | |||
| JPS52168136U | 1977-12-20 | |||
| US2991770A | 1961-07-11 | |||
| JPH04105935U | 1992-09-11 | |||
| JPS5052341U | 1975-05-20 |
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
Hiromichi Kobayashi (JP)
Hiromichi Kobayashi (JP)
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