Patent · US Expired

Rotary joint

US4858961A · kind A · utility

6Cited by
3References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 14, 1987
Grant dateAug 22, 1989
Priority date
Expiry dateAug 14, 2007

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L39/04
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An improved rotary joint including first, second and third joint portions, and so arranged to connect two flow passages to each other respectively at the rotary unit side and stationary side so as to continuously effect, for example, centrifugal counter-current distribution work.

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