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Patent Searching and Data


Title:
BALANCER DEVICE FOR INTERNAL COMBUSTION ENGINES
Document Type and Number:
WIPO Patent Application WO/2019/171759
Kind Code:
A1
Abstract:
This balancer device for internal combustion engines is configured so that: a pump mounting and affixing section (45) to which an oil pump (21) is affixed is formed on an end surface of a lower housing (19); a gear containing section (42) in which a pump drive gear (39) and a speed reduction gear (34) are contained is formed between the oil pump (21) and the pump mounting and affixing section (45); a rigid reinforcement section (43) is formed on the lower housing (19), the rigid reinforcement section (43) extending outside the lower housing (19) in the direction in which a first balancer shaft (28) and a second balancer shaft (33) extend, and having formed therein an oil discharge passage in communication with the discharge opening of the oil pump; and the rigid reinforcement section (43) and part of the pump mounting and affixing section (45) formed on the end surface of the lower housing (19) are formed integrally.

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Inventors:
SAWADA, Masashi (7-1, Onna 4-chome, Atsugi-sh, Kanagawa 10, 〒2438510, JP)
Application Number:
JP2019/000818
Publication Date:
September 12, 2019
Filing Date:
January 15, 2019
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
International Classes:
F16F15/26; F01M1/02; F02B77/00
Domestic Patent References:
WO2017141917A12017-08-24
Foreign References:
JP2010190407A2010-09-02
JP2016151299A2016-08-22
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (Ekisaikai Bldg. 1-29, Akashi-cho, Chuo-k, Tokyo 44, 〒1040044, JP)
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