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Patent Searching and Data


Title:
SCRAWL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2001/098661
Kind Code:
A1
Abstract:
A scroll compressor comprising a back pressure chamber (HR) formed at the other side of an end plate (12a) of a stationary scroll (12), the stationary scroll (12) being pressed against a revolving scroll (13) by introducing a compressed fluid into the back pressure chamber (HR), wherein a level difference is provided between end plates (12a, 13a) of the stationary and revolving scrolls (12, 13) and the upper edges of the walls (12b, 13b) of the stationary and revolving scrolls (12, 13) are of stepped shape to prevent leakage of the fluid.

Inventors:
Itoh, Takahide (Mitsubishi Heavy Industries, Ltd. Nagoya Research & Development Center 1 Aza Takamich, Iwatsuka-cho Nakamura-ku Nagoya-shi Aichi, 453-8515, JP)
Sasakawa, Chikako (Mitsubishi Heavy Industries, Ltd. Nagoya Research & Development Center 1 Aza Takamich, Iwatsuka-cho Nakamura-ku Nagoya-shi Aichi, 453-8515, JP)
Matsuda, Susumu (Mitsubishi Heavy Industries, Ltd. Nagoya Research & Development Center 1 Aza Takamich, Iwatsuka-cho Nakamura-ku Nagoya-shi Aichi, 453-8515, JP)
Application Number:
PCT/JP2001/005243
Publication Date:
December 27, 2001
Filing Date:
June 20, 2001
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD. (5-1 Marunouchi 2-chome Chiyoda-ku Tokyo, 110-8315, JP)
Itoh, Takahide (Mitsubishi Heavy Industries, Ltd. Nagoya Research & Development Center 1 Aza Takamich, Iwatsuka-cho Nakamura-ku Nagoya-shi Aichi, 453-8515, JP)
Sasakawa, Chikako (Mitsubishi Heavy Industries, Ltd. Nagoya Research & Development Center 1 Aza Takamich, Iwatsuka-cho Nakamura-ku Nagoya-shi Aichi, 453-8515, JP)
Matsuda, Susumu (Mitsubishi Heavy Industries, Ltd. Nagoya Research & Development Center 1 Aza Takamich, Iwatsuka-cho Nakamura-ku Nagoya-shi Aichi, 453-8515, JP)
International Classes:
F04C18/02; F04C23/00; F04C27/00; F04C28/26; (IPC1-7): F04C18/02
Foreign References:
JPH04311693A
JPH04166689A
JPH04121483A
JPS6380088A
JPH06101666A
Other References:
See also references of EP 1293674A1
Attorney, Agent or Firm:
Fujita, Takaharu (OR Building 23-3, Takadanobaba 3-chome Shinjuku-ku Tokyo, 169-8925, JP)
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