Flow control valve
US5393035A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 23, 1994 |
| Grant date | Feb 28, 1995 |
| Priority date | — |
| Expiry date | Feb 23, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8309
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fluid control valve for an inline fluid control system comprising a housing having a fluid inlet and a fluid outlet, the housing having a rectangular shaped fluid passage for fluid to flow therethrough, the housing having a first cylindrical passage located therein and a second cylindrical passage located therein with the first cylindrical passage and the second cylindrical passage located in coaxial alignment with each other, the first cylindrical passage having a first diameter and second cylindrical passage having a second diameter with the first diameter larger than the second diameter and a stepped plunger slidably located in the first cylindrical passage and the second cylindrical passage, the plunger slidable with respect to the rectangular shaped fluid passage to permit one to increase or decrease the area for fluid to flow through the fluid passage, the stepped plunger having an enlarged portion to prevent the stepped plunger from being accidentally withdrawn from the housing and a flow control knob having threads for rotationally engaging the housing and a shoulder for engaging the stepped plunger so that rotation of the flow control knob on the housing axially displace…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.