Gas pressure reducer with cam commanded shut-off valve
US11703893B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2019 |
| Grant date | Jul 18, 2023 |
| Priority date | — |
| Expiry date | Feb 1, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF17C2227/048
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A device for regulating the pressure of a compressed gas, comprising a body with a gas inlet, a gas outlet and a gas passage fluidly interconnecting the inlet and outlet; a mobile element carrying a shutter cooperating with a seat in the gas passage, the shutter and the seat forming a regulating valve; a hand-wheel operatively linked to a spindle rotatably mounted on the body; wherein the spindle is hollow and houses a spigot with a cam, the spigot being linked in rotation with the spindle and cooperating with a counter-cam spigot movable in translation but not in rotation relative to the body, and acting on the mobile element or on a shut-off valve for selectively shutting-off and opening the gas passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.