Title:
TRIANGULAR ROTARY PUMP USING ROLLER
Document Type and Number:
WIPO Patent Application WO/2018/230890
Kind Code:
A1
Abstract:
The present invention relates to a triangular rotary pump using a roller, the triangular rotary pump comprising: a rotor housing in which a pumping space having an epicycloid trajectory is formed; a rotor having a circular triangle shape and rotating eccentrically within the pumping space while the three vertices thereof internally touch the pumping space; and a linear driving shaft rotatably coupled to the rotor while being eccentric to the center of the rotor or an eccentric driving shaft having a crankshaft shape and rotatably coupled to the rotor at the center of the rotor, wherein a recessed groove having a circular arc shape is formed at each of the three vertices of the rotor, at least one hinge guide capable of supporting a support pin while dividing the recessed groove into a plurality of spaces is disposed in the recessed groove, rollers are rotatably seated in the respective divided spaces of the recessed groove, and the support pin extends through the center portions of the rollers while being coupled by a press-fit to the hinge guide.
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Inventors:
CHOI BYONG CHOL (KR)
Application Number:
PCT/KR2018/006554
Publication Date:
December 20, 2018
Filing Date:
June 08, 2018
Export Citation:
Assignee:
CHOI BYONG CHOL (KR)
International Classes:
F04C2/22; F04C14/22
Foreign References:
| KR20000002878A | 2000-01-15 | |||
| KR20050043375A | 2005-05-11 | |||
| JP2003120549A | 2003-04-23 | |||
| JPH09317659A | 1997-12-09 | |||
| JP2008038880A | 2008-02-21 |
Attorney, Agent or Firm:
CHOI, Sung Keun (KR)
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