skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Plug valve

Patent ·
OSTI ID:7140465

This patent describes an improved plug valve wherein a novel shape for the valve plug and valve chamber provide mating surfaces for improved wear characteristics. The novel shape of the valve plug is a frustum of body of revolution of a curved known as a tractrix, a solid shape otherwise known as a peudosphere.

Assignee:
Dept. of Energy, Washington, DC
Patent Number(s):
US 4878652; A
Application Number:
PPN: US 6-861383A
OSTI ID:
7140465
Resource Relation:
Patent File Date: 9 May 1986
Country of Publication:
United States
Language:
English

Similar Records

Improved plug valve
Patent · Tue Sep 15 00:00:00 EDT 1981 · OSTI ID:7140465

Plug valve
Patent · Sun Jan 01 00:00:00 EST 1989 · OSTI ID:7140465

Valve stem and packing assembly
Patent · Tue Sep 03 00:00:00 EDT 1991 · OSTI ID:7140465