Scroll type compressor with radially outer support for fixed end

Details Scroll type compressor with radially outer support for fixed end Scroll type compressor with radially outer support for fixed end

1989-07-03

1991-05-14

Smith, Leonard E.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 552, 29888022, F04C 1804

Patent

active

050151630

ABSTRACT:
A scroll type compressor including a fixed scroll and an orbiting scroll is disclosed. The fixed scroll includes a first circular end plate from which a first spiral wrap extends and the orbiting scroll includes a second circular end plate from which a second spiral wrap extends. The spiral wraps interfit such that an axial gap is maintained between the axial end surface of each wrap and the axial surface of the adjacent end plate, at a central location of the scrolls. The fixed end plate is supported in the compressor housing at a radially intermediate portion of the axial end surface opposite the spiral wrap, and at a radially outer portion by an annular ridge formed on the inner surface of the compressor housing.

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patent: 4645436 (1987-02-01), Sakamoto
patent: 4744733 (1988-05-01), Terauchi et al.

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