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3. (US4795322) Scroll compressor with oil thrust force on orbiting scroll

Office : United States of America
Application Number: 07125974 Application Date: 27.11.1987
Publication Number: 4795322 Publication Date: 03.01.1989
Grant Number: 4795322 Grant Date: 03.01.1989
Publication Kind : A
IPC:
F04C 29/02
F04C 18/04
F04C 29/00
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
C
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
29
Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups F04C18/-F04C28/193
02
Lubrication; Lubricant separation 
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
C
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
18
Rotary-piston pumps specially adapted for elastic fluids
02
of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
04
of internal-axis type
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
C
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
29
Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups F04C18/-F04C28/193
Applicants: Carrier Corporation
Inventors: Etemad Shahrokh
Yannascoli Donald
Hatzikazakis Michael
Agents: Zobkiw David J.
Priority Data:
Title: (EN) Scroll compressor with oil thrust force on orbiting scroll
Abstract: front page image
(EN)

Lubrication oil is supplied to provide a thrust force tending to keep the fixed and orbiting scroll means together in opposition to the forces acting thereon due to compressing gas between the wraps.