Patent · US Expired

Turbine cooling waxy oil

US4702758A · kind A · utility

67Cited by
15References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 29, 1986
Grant dateOct 27, 1987
Priority date
Expiry dateMay 29, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/0391
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A stream of gas and waxy oil is cooled by an expansion turbine to form a wax/oil slurry, and the slurry is pipeline transported without wax deposition in the pipeline and/or to prevent melting of permafrost along the pipeline right of way.

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