Title:
COMBINATION PUMP
Document Type and Number:
Japanese Patent JP2017198144
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To achieve simplification of a structure, downsizing, low costs, and reduction of a driving load etc. in a combination pump.SOLUTION: A combination pump includes: a housing H; a first pump unit PU1 disposed in the housing and including an inner rotor 50 and an outer rotor 60 which are engaged with each other; a second pump unit PU2 which is disposed in the housing and includes vanes 70 which protrude and are retracted in a radial direction at an outer periphery of the outer rotor. The housing H has: a suction port 12 into which a fluid is suctioned toward the first pump unit and the second pump unit; and a discharge port 13 from which a fluid compressed by the first pump unit and the second pump unit is discharged. The structure achieves simplification of a structure, downsizing, low costs, and reduction of a driving load etc.SELECTED DRAWING: Figure 2
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Inventors:
TAKEHANA NORIO
Application Number:
JP2016089615A
Publication Date:
November 02, 2017
Filing Date:
April 27, 2016
Export Citation:
Assignee:
MIKUNI KOGYO KK
International Classes:
F04C11/00; F01M1/02; F04C2/10; F04C2/344; F04C15/06
Domestic Patent References:
| JPS6380085A | 1988-04-11 | |||
| JP2002285813A | 2002-10-03 | |||
| JP2010158975A | 2010-07-22 | |||
| JPS4939805A | 1974-04-13 | |||
| JP2009275537A | 2009-11-26 | |||
| JP2005133716A | 2005-05-26 | |||
| JPS346169Y1 | ||||
| JPS49103034A | 1974-09-28 |
Attorney, Agent or Firm:
Takatoshi Yamamoto