Title:
PISTON PUMP FOR BRAKING SYSTEM OF VEHICLE
Document Type and Number:
WIPO Patent Application WO/2018/044090
Kind Code:
A1
Abstract:
A piston pump comprises: a sleeve housing provided with a discharge hole and forming a bore; a piston provided with an introduction passage for introducing oil into the bore and reciprocatably inserted into the bore; an introduction valve installed to be able to open and close the introduction passage; a discharge valve cover fastened to the sleeve housing so as to surround the part in which the discharge hole is formed; and a discharge valve installed to be able to open and close the discharge hole. The introduction valve comprises a retainer, and an opening and closing member accommodated in the retainer. The opening and closing member comprises: an opening and closing part formed to be able to selectively open and close the introduction passage; and an elastic force-providing part made of an elastically deformable material, integrally formed with the opening and closing part, supported by the retainer, and having an elastic restoring force.
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| JPH0643183 | INDUSTRIAL APPLICABILITY: Pump start load reduction type hydraulic pressure supply device |
| WO/2007/088165 | VACUUM SUPPLY DEVICE |
Inventors:
KIM JIN-HEE (KR)
JUNG SUNG-JAE (KR)
JUNG SUNG-JAE (KR)
Application Number:
PCT/KR2017/009530
Publication Date:
March 08, 2018
Filing Date:
August 31, 2017
Export Citation:
Assignee:
ERAE AMS CO LTD (KR)
International Classes:
B60T17/02; B60T8/17; B60T8/40; F04B53/10
Foreign References:
| KR101021515B1 | 2011-03-16 | |||
| KR101015209B1 | 2011-02-18 | |||
| KR20130142147A | 2013-12-27 | |||
| KR101349043B1 | 2014-01-09 | |||
| KR20110020427A | 2011-03-03 |
Attorney, Agent or Firm:
MI PATENT AND LAW FIRM (KR)
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