Pressure regulator apparatus
US6536466B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 4, 1998 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Sep 4, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7836
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A pressure regulator apparatus is provided which includes a regulator body having an inlet, an outlet and a passage communicating there between. The pressure regulator apparatus includes a valve disposed within the passage having a valve seat and a valve stem with one end of the valve stem biased toward the valve seat. The pressure regulator apparatus further includes a plunger member connected to the valve stem at an end opposite the valve seat with the plunger member movable axially with respect to the valve seat. The plunger member is further connected to a biasing member so that the plunger member biases the valve stem toward the valve seat to control the pressure of the fluid flowing through the pressure regulator. A flexible diaphragm is connected at an inner end between the valve stem and plunger member and connected at an outer end against the regulator body. The diaphragm is flexible as the plunger member and valve stem move axially with respect to the valve seat. Sealing members are disposed within a channel or groove in the valve stem and regulator body for engagement with the diaphragm to seal the passage of the regulator body. The cross-sectional area of the sealing me…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.