Title:
スクリュー型液体リング・ポンプ
Document Type and Number:
Japanese Patent JP2006525468
Kind Code:
A
Abstract:
Screw type liquid ring pump including a pump housing (9) with an inlet part (3) and an outlet part (11) and rotating helical screw rotor (8) inside the housing. The rotor is connected with a shaft (7) as well as a driving unit in the form of motor, preferably an electric motor (2), whereby the pump (20) with the pump housing (9) represents an elongation of the motor (2) with the motor housing thus representing an integrated or one piece unit. The shaft seal (22, 23) is provided wholly or partially in an annular space (24) provided within the rotor (8), whereby one end of the seal rests against an annular part (25) of the screw rotor provided in the annular space (24) between the rotor and the shaft, and its other end is tightly engaged against an inwardly protruding part (21) at the outlet end of the pump.
Inventors:
Ofshus, Imund
Ofus, Accelerator
Ofus, Accelerator
Application Number:
JP2006507898A
Publication Date:
November 09, 2006
Filing Date:
May 05, 2004
Export Citation:
Assignee:
JETS AS
International Classes:
F04C19/00; F04C27/00
Domestic Patent References:
| JPS5614887A | 1981-02-13 |
Foreign References:
| US5344085A | 1994-09-06 | |||
| US3966363A | 1976-06-29 | |||
| US2761393A | 1956-09-04 | |||
| US2692787A | 1954-10-26 | |||
| WO2002097275A1 | 2002-12-05 | |||
| US3221659A | 1965-12-07 | |||
| DE2731451B1 | 1978-04-13 |
Attorney, Agent or Firm:
Masatake Ide
Akira Nogami
Akira Nogami