Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1996-06-07
1998-09-15
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
F04C 1804
Patent
active
058070893
ABSTRACT:
A scroll type compressor having a housing unit in which a movable scroll element and a stationary scroll element are received in such a relationship that the movable scroll element orbits about the center of the stationary scroll element. The scroll type compressor further having a mechanical reinforced rotation preventing unit for preventing rotation of the movable scroll element about its own axis, and the rotation preventing unit having first stationary pin fixed to an inner end face of the housing unit and second movable pin fixed to an end face of a base plate of the movable scroll element, and a ring engaged with the first and second rings. A thickness T1 between the outer circumference of the first pin and the inner edge of the inner end face of the housing unit is set to be equal to or larger than 2.4 mm. A thickness T2 between the outer circumference of the second pin and the outer circumference of the base plate of the movable scroll element is set to be equal to or larger than 2.7 mm. A radial wall thickness T3 of the ring between the outer and inner cylindrical surfaces thereof is set to be equal to or larger than 1.7 mm.
REFERENCES:
patent: 4527963 (1985-07-01), Terauchi
patent: 5141422 (1992-08-01), Ito et al.
patent: 5545020 (1996-08-01), Fukanuma et al.
Aso Shinsuke
Hisanaga Shigeru
Iguchi Masao
Iwanami Shigeki
Oki Yasuhiro
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
Nippondenso Co. Ltd.
Vrablik John J.
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