Title:
【発明の名称】ツイン円筒型インペラを有するポンプ
Document Type and Number:
Japanese Patent JP2960779
Kind Code:
B2
Abstract:
PCT No. PCT/KR95/00046 Sec. 371 Date Jan. 3, 1996 Sec. 102(e) Date Jan. 3, 1996 PCT Filed May 3, 1995 PCT Pub. No. WO95/31644 PCT Pub. Date Nov. 23, 1995A pump which is easy to manufacture and which has a high efficiency and low vibration includes a pair of identical circular-shaped impellers which are respectively eccentrially and rotatably connected to respective parallel shafts so as to rotate oppositely to one another while keeping a constant spacing therebetween, a pair of identical cylindrical impeller chambers in which the impellers are respectively positioned such that the impellers circumferentially slide along an inner peripheral surface of the impeller chambers, one impeller acting to discharge fluid from the impeller chamber in which it rotates and the other acting to intake fluid into the impeller chamber in which it rotates, and a connecting plate that couples the impellers together and causes them to be spaced a constant distance apart.
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Inventors:
RAA FUIRU CHAN
Application Number:
JP52952795A
Publication Date:
October 12, 1999
Filing Date:
May 03, 1995
Export Citation:
Assignee:
RAA FUIRU CHAN
International Classes:
F04C2/02; F04C2/06; F04C11/00; F04C2/32; (IPC1-7): F04C11/00; F04C2/32
Domestic Patent References:
| JP58152189A | ||||
| JP61258981A |
Other References:
【文献】米国特許720542(US,A)
【文献】西独国特許671386(DE,C)
【文献】スイス国特許282182(CH,A)
【文献】西独国特許671386(DE,C)
【文献】スイス国特許282182(CH,A)
Attorney, Agent or Firm:
Keinosuke Ozawa (1 person outside)