Title:
HYDRAULIC PUMP
Document Type and Number:
WIPO Patent Application WO/2021/107538
Kind Code:
A1
Abstract:
The present invention relates to a hydraulic pump which is attached to a device receiving the supply of hydraulic pressure and supplies the hydraulic pressure, in order to provide the hydraulic pump including two discharge ports and having operating reliability under a high pressure. The hydraulic pump comprises: a gear unit including a driving gear unit installed at the center and first and second driven gear units which are installed at opposite sides of the driving gear unit in parallel with each other and driven by the driving gear unit; a pump housing having an accommodation unit formed therein, the accommodation unit having a shape corresponding to the gear unit so as to accommodate the gear unit; a support plate installed between the accommodation unit of the pump housing and the gear unit; and a sealing unit installed to be inserted in the support plate, for sealing between the support plate and the accommodation unit. The accommodation unit comprises: a first driven gear accommodation unit for accommodating the first driven gear; a driving gear accommodation unit formed in parallel with the first driven gear accommodation unit; and a second driven gear accommodation unit formed in parallel with the driving gear accommodation unit. In the upper portion of the accommodation unit, an upper suction port is formed between the first driven gear accommodation unit and the driving gear accommodation unit, and an upper discharge port is formed between the driving gear accommodation unit and the second driven gear accommodation unit. In a lower portion of the accommodation unit, a lower discharge port is formed between the first driven gear accommodation unit and the driving gear accommodation unit, and a lower suction port is formed between the driving gear accommodation unit and the second driven gear accommodation unit.
Inventors:
KIM JIN-YONG (KR)
Application Number:
PCT/KR2020/016601
Publication Date:
June 03, 2021
Filing Date:
November 23, 2020
Export Citation:
Assignee:
MYUNG HWA IND CO LTD (KR)
International Classes:
F04C15/06; F04C2/18; F04C15/00
Foreign References:
| KR20130090449A | 2013-08-14 | |||
| JPH0914154A | 1997-01-14 | |||
| KR20020074085A | 2002-09-28 | |||
| JP2017096098A | 2017-06-01 | |||
| KR20140135960A | 2014-11-27 |
Attorney, Agent or Firm:
IAM PATENT FIRM (KR)
Download PDF:
Previous Patent: DEVICE AND METHOD FOR SENSING OPERATIONS OF PIANO KEYS IN CONTACTLESS TYPE
Next Patent: ELECTRONIC DEVICE INCLUDING FINGERPRINT SENSOR
Next Patent: ELECTRONIC DEVICE INCLUDING FINGERPRINT SENSOR