Title:
ピストン冷却装置
Document Type and Number:
Japanese Patent JP6507192
Kind Code:
B2
Abstract:
A piston cooling device includes a main body which includes a communication path communicating with an oil passage provided in the internal combustion engine, a nozzle pipe portion which includes an oil injection port for injecting an oil passing through the communication path, toward the piston, and a filter which is provided at an upstream side of the nozzle pipe portion in an oil flow path to filter the oil. The main body includes a cylindrical portion inserted into the oil passage. The filter has a bottomed cylindrical shape in which a filter side surface stands from a filter bottom surface, and is held inside the cylindrical portion. Filter holes are formed in the filter bottom surface and the filter side surface. The filter is disposed such that the filter bottom surface protrudes further upstream side in the oil flow path than a tip end of the cylindrical portion.
Inventors:
Iya Dai
Shinsuke Kawakubo
Kazuya Kobayashi
Shinsuke Kawakubo
Kazuya Kobayashi
Application Number:
JP2017066331A
Publication Date:
April 24, 2019
Filing Date:
March 29, 2017
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F01M1/08; F01P3/08
Domestic Patent References:
| JP2016188623A | ||||
| JP2015031246A | ||||
| JP4059309U | ||||
| JP2009228580A |
Attorney, Agent or Firm:
Patent Business Corporation Koei Patent Office