Patent · US Expired

Balancing weight device for scroll-type fluid machine

US4522574A · kind A · utility

18Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 21, 1983
Grant dateJun 11, 1985
Priority date
Expiry dateOct 21, 2003

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04C2240/807
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A balancing weight device for scroll-type fluid machine including a balancing weight rotatably secured to the orbital scroll member of the machine through a bearing, with the balancing weight producing a centrifugal force balancing the centrifugal force produced in the orbital scroll member during operation of the fluid machine.

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