Digital gas metering system using tri-stable and bi-stable solenoids
AssigneeOrtech Corporation
InventorStephen Carter
Life of this patent
Estimating the term…
Abstract
A digital gas metering system includes inlet and outlet manifolds, a plurality of conduits each extending between the inlet manifold and the outlet manifold, and a solenoid-operated valve in each conduit. At least one of the valves is a tri-stable valve. Each tri-stable valve has a highest flow setting, a lowest flow setting, and an intermediate flow setting. The preferred embodiment utilizes at least two tri-stable valves, and these have respective highest flow settings which form a geometric progression in which each term is substantially triple the preceding term.
Claims5
For use with a digital gas metering system, the combination of:
- a common inlet manifold,
- a common outlet manifold,
- a plurality of conduits each extending between the inlet manifold and the outlet manifold,
- a solenoid-operated valve in each conduit,
- at least one of said valves being a bi-stable valve,
- at least two of said valves being tri-stable valves, each tri-stable valve having a highest flow setting, a lowest flow setting, and an intermediate flow setting;
- said lowest flow setting being substantially zero flow, and said highest flow settings forming a geometric progression in which each term is substantially triple the preceding term.
Dependencies are inferred from the claim text.