Thermally responsive valve assembly
US4068800A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 14, 1976 |
| Grant date | Jan 17, 1978 |
| Priority date | — |
| Expiry date | Oct 14, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/08
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A thermally responsive valve assembly comprising a two-portion valve body, one portion of which includes two nipples each having a passage therein. One of the nipples extends generally axially of the valve body and the other nipple extends generally perpendicularly to the first nipple with the passage in one of the nipples constituting an inlet passage and with the passage in the other nipple constituting an outlet passage with communication between the passages within the first portion of the valve body, and with one of the passages having a valve seat. Valve means are provided in the valve body for movement into and out of engagement with the valve seat, thereby selectively to block communication between the passages. The valve means comprises a dish-shaped thermostatic disk which is responsive to variations in temperature and changes in curvature from a first position in which the disk is bowed away from the valve seat and a second position in which the disk is bowed toward the valve seat. Spring means bias the disk towards the valve seat when the disk is in its closed position and apply a force to the valve disk sufficient to maintain it in closed engagement with the valve seat…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.