Patent · US Expired

Apparatus for supplying fluid to a rotating tube

US4501442A · kind A · utility

6Cited by
4References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 22, 1983
Grant dateFeb 26, 1985
Priority date
Expiry dateFeb 22, 2003

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L27/0828
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A sealed rotary joint and method are described wherein a purge fluid is passed over a tube rotating within an end cap and through a ball bearing component of the joint.

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