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US 10,385,879 B2Granted
Explosion resistant electro-pneumatic controller
AssigneeTescom Corporation
InventorsJacob T. R. Renollett, Eric J. Burgett
Life of this patent
Estimating the term…
Abstract
An electro-pneumatic controller includes a base having a body, a top surface, and a bore formed within the body; a cover coupled to the base, the cover having an open end with a rim, the rim contacting the top surface of the base; a plurality of fluid flow paths formed within the base; and at least one flame arrestor disposed within one of the fluid flow paths.
Claims20
An electro-pneumatic controller for use with a regulator, the electro-pneumatic controller comprising:
- a base having a body, a top surface, and a bore formed within the body;
- a cover coupled to the base, the cover having an open end with a rim, the rim contacting the top surface of the base;
- a first solenoid valve disposed in the base;
- a plurality of fluid flow paths formed within the base, at least one flow path comprising a supply port and a dome in the base;
- and
- a first flame arrestor disposed between the supply port and the first solenoid valve, and a second flame arrestor disposed between the first solenoid valve and the dome.
3 more elements
A process control system comprising a regulator having a housing with a top portion;
- and an electro-pneumatic controller comprising:
- a base having a body, a top surface, and a bore formed within the body;
- a cover coupled to the base, the cover having an open end with a rim, the rim contacting the top surface of the base;
- a first solenoid valve disposed in the base;
- a plurality of fluid flow paths formed within the base, at least one flow path comprising a supply port and a dome in the base;
- and
- a first flame arrestor disposed between the supply port and the first solenoid valve, and a second flame arrestor disposed between the first solenoid valve and the dome.
4 more elements
Dependencies are inferred from the claim text.