Title:
HELICAL GEAR PUMP OR MOTOR
Document Type and Number:
WIPO Patent Application WO/2020/183546
Kind Code:
A1
Abstract:
A helical gear pump comprises: a casing that is constituted by a body (11), a front cover (12), and a rear cover (13); a pair of helical gears (23) and (24) that is accommodated inside a hole formed in the body (11) and meshes with each other; and a pair of bearing cases (25) and (26) that sandwich the helical gears (23) and (24) therebetween inside the hole. Of the helical gears (23) and (24), the helical gear (23) on a driving side has gears greater in number than the helical gear (24) on a driven side.
Inventors:
KANATANI KENICHI (JP)
KONO TAKAHIRO (JP)
KONO TAKAHIRO (JP)
Application Number:
PCT/JP2019/009492
Publication Date:
September 17, 2020
Filing Date:
March 08, 2019
Export Citation:
Assignee:
SHIMADZU CORP (JP)
International Classes:
F04C18/16
Domestic Patent References:
| WO2014141377A1 | 2014-09-18 |
Foreign References:
| JP2005232980A | 2005-09-02 | |||
| JP2012519799A | 2012-08-30 |
Other References:
See also references of EP 3936725A4
Attorney, Agent or Firm:
KYOTO INTERNATIONAL PATENT LAW OFFICE (JP)
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