Title:
BALANCER DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/141917
Kind Code:
A1
Abstract:
The present invention improves the degree of design freedom of a balancer device. This balancer device is provided with: a balancer shaft; a balancer housing; and an oil pump housing that has an oil pump housing formed separately from the balancer housing and that is attached to the balancer housing. The balancer housing is provided with an upper housing and a lower housing that is formed separately from the upper housing. The lower housing is provided with first to third bosses for fastening the oil pump to the lower housing. The first and second bosses each protrude downward at one end side, in the axial direction, of the balancer shaft. The third boss is disposed above the first and second bosses. The first and second bosses are disposed separately from each other in a direction orthogonal to the axial direction such that a recessed portion is formed between the first and second bosses. The oil pump is provided with a suction portion having an opening. The suction portion is at least partially disposed in the recessed portion.
Inventors:
KURITA MASAHUMI (JP)
Application Number:
PCT/JP2017/005368
Publication Date:
August 24, 2017
Filing Date:
February 14, 2017
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F01M1/02; F16F15/26; F02B77/00
Foreign References:
| JP2008144653A | 2008-06-26 | |||
| JP2013122302A | 2013-06-20 | |||
| US20100012075A1 | 2010-01-21 |
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
Download PDF: