Patent · US Expired

Rotary piston machines comprising a displaceable inner housing

US7318712B2 · kind B2 · utility

4Cited by
6References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 4, 2003
Grant dateJan 15, 2008
Priority date
Expiry dateMar 28, 2024

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04C2230/601
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

In a rotary piston machine with an inner housing and rotors, the axes of the rotors are disposed at an angle to one another in order to equalize manufacturing tolerances and to reduce gap losses of such machines.

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