F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
230/37
F04D 17/06 (2006.01) F01C 1/02 (2006.01) F01C 1/04 (2006.01) F04C 2/02 (2006.01) F04C 18/02 (2006.01) F04C 18/04 (2006.01)
Patent
CA 1222988
SCROLL TYPE FLUID DISPLACEMENT APPARATUS ABSTRACT A scroll type fluid displacment apparatus, in particular, a compressor unit is disclosed. The unit includes a housing, a pair of scroll members which are comprised of an end plate and a spiral wrap extending from one surface of the end plate. Both wraps interfit to make a plurality of line contacts between their spiral curved surfaces. A driving mechanism and a rotation preventing mechanism are connected to one of the scroll members to effect relative orbital motion while rotation of the scroll member is prevented. A turning mechanism is associated with one of the scroll members to selectively turn the scroll member and vary the angular offset between the wraps, whereby the compressive effect of the scroll members can be controlled independently of the operation of the driving mechanism.
387681
Johnson Douglas S. Q.c.
Sanden Corporation
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