Title:
ベーンを備えたロータリー・ポンプ
Document Type and Number:
Japanese Patent JP2010504456
Kind Code:
A
Abstract:
A rotary pump includes a stator having a chamber delimited by a circumferential wall, a cylindrical rotor tangent to the circumferential wall of the chamber and suitable for being driven in rotation around an axis eccentric with respect to the chamber, and at least a vane diametrically traversing the rotor by delimiting in the rotor two half shells, mutually separated by the walls guiding the vane. The two half shells are hollow, and inside these hollow half shells are housed elastic leaf springs forming one-way valves with respect to four passageways formed in the half shells; the discharge of the air-oil mixture takes place, after a centrifugation and a partial recycling, through passageways, also in the case of a counter rotation of the pump. This configuration allows a bidirectional use of the same rotor.
Inventors:
Cadedu, Leonardo
Application Number:
JP2009528626A
Publication Date:
February 12, 2010
Filing Date:
September 11, 2007
Export Citation:
Assignee:
Bhitt S.P.A.
International Classes:
F04C18/344; F04C29/00; F04C29/12
Domestic Patent References:
| JP2005163607A | 2005-06-23 | |||
| JPS5022311A | 1975-03-10 | |||
| JPH04143482A | 1992-05-18 | |||
| JPS4920810U | 1974-02-21 | |||
| JPS53128913U | 1978-10-13 |
Foreign References:
| US4568257A | 1986-02-04 |
Attorney, Agent or Firm:
Igarashi Kazutoshi