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Patent Searching and Data


Title:
COMPOUND PUMP
Document Type and Number:
WIPO Patent Application WO/2017/187928
Kind Code:
A1
Abstract:
This compound pump is provided with: a housing (H); a first pump unit (PU1) disposed within the housing and including an inner rotor (50) and an outer rotor (60), which engage with each other; and a second pump unit (PU2) disposed within the housing and including a plurality of vanes (70) capable of radially protruding and retracting at the outer periphery of the outer rotor. The housing (H) has: a single suction opening (12) into which fluid is sucked toward the first pump unit (PU1) and the second pump unit (PU2); and a single discharge opening (13) from which the fluid pressurized by the first pump unit (PU1) and the second pump unit (PU2) is discharged. As a result of this configuration, a simplification in structure, a reduction in size, a reduction in cost, a reduction in a drive load, etc. can be achieved.

Inventors:
TAKEHANA Norio (309 Sotoyama, Takizawa-sh, Iwate 98, 〒0200698, JP)
Application Number:
JP2017/014433
Publication Date:
November 02, 2017
Filing Date:
April 07, 2017
Export Citation:
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Assignee:
MIKUNI CORPORATION (13-11, Sotokanda 6-chome Chiyoda-k, Tokyo 21, 〒1010021, JP)
International Classes:
F04C11/00; F01M1/02; F04C2/10; F04C2/344; F04C15/06
Foreign References:
JPS6380085A1988-04-11
JP2002285813A2002-10-03
JP2010158975A2010-07-22
JPS4939805A1974-04-13
JP2009275537A2009-11-26
JP2005133716A2005-05-26
JPS346169Y2
JPS49103034A1974-09-28
Attorney, Agent or Firm:
YAMAMOTO Takatoshi (36-21, Okubo 3-chome Konan-ku, Yokohama-sh, Kanagawa 07, 〒2330007, JP)
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