Patent · US Expired

Hydraulic stab connector, frictionless

US4863314A · kind A · utility

23Cited by
8References
18Claims
0Family size

Inventor

Key dates

Filing dateMar 14, 1988
Grant dateSep 5, 1989
Priority date
Expiry dateMar 14, 2008

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L37/62
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A hydraulic stab sub with multiple seals especially for use in remote and harsh environments with the ability to move the seals radially inward to a retracted position in which the hydraulic stab sub can be easily inserted into a mating receptacle and alternately to move the seals radially outward to perform useful functions such as sealing or locking into the receptacle.

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