Patent · US Expired

Fluid-cooled, scroll-type, positive fluid displacement apparatus

US3986799A · kind A · utility

63Cited by
5References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 3, 1975
Grant dateOct 19, 1976
Priority date
Expiry dateNov 3, 1995

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01C21/06
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Cooling means are provided for the stationary and orbiting scroll members of scroll-type apparatus. These cooling means comprise fluid coolant channels in the end plates and in the involute wraps of the scroll members and means to circulate a fluid coolant therethrough. In the case of the stationary scroll member the coolant may be water, oil or the like; while in the case of the orbiting scroll member the coolant is the lubricating oil used to lubricate a thrust bearing and the coupling means. The resulting effective cooling of the scroll members makes it possible to form scroll apparatus in large sizes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.