Patent · US Expired

Apex split seal

US7097436B2 · kind B2 · utility

10Cited by
9References
16Claims
0Family size

Inventor

Key dates

Filing dateJun 29, 2004
Grant dateAug 29, 2006
Priority date
Expiry dateFeb 18, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01C19/04
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A rotary machine including a rotor having apexes provided with apex seals achieves better efficiency through the use of apex split seals which minimize leakage across the apex seals to thereby allow operation at relatively high pressure values.

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