F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 49/10 (2006.01) F01L 1/00 (2006.01) F04B 19/12 (2006.01) F04B 49/00 (2006.01) F04C 18/02 (2006.01) F04C 29/02 (2006.01) F25B 3/00 (2006.01) F25B 31/00 (2006.01) F25B 49/02 (2006.01)
Patent
CA 2113043
A hermetic scroll-type compressor including a housing at discharge pressure, fixed and orbiting scroll members, a frame member having a thrust surface adjacent the orbiting scroll member back surface, and a crankshaft coupled to the orbiting scroll member. A back surface of the orbiting scroll member is exposed to discharge pressure to cause the orbiting scroll member to axially comply with the fixed scroll member. An internal pressure relief valve is connected within the housing to the suction space between the scrolls to compensate for moments of high discharge pressure and relieve orbiting scroll member over loading on the fixed scroll member.
Compresseur hermétique du type à spirales comprenant un carter à pression de refoulement, des éléments à spirales fixes et à mouvement orbital, un élément du boîtier comportant une surface d'intervention adjacente à la surface arrière de l'élément à spirales à mouvement orbital, et un vilebrequin accouplé à l'élément orbital. Une surface arrière de l'élément orbital est exposée à la pression de refoulement pour permettre à l'élément orbital de s'aligner dans le sens axial avec l'élément à spirales fixe. Une soupape de retour de pression interne est raccordée à l'intérieur du carter à l'espace d'aspiration entre les éléments à spirales pour compenser pour les moments de pression de refoulement élevée et diminuer la surcharge de l'élément à spirales orbital sur l'élément fixe.
Ridout & Maybee Llp
Tecumseh Products Company
LandOfFree
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