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US 11,767,923 B2Granted
Break-away check valve
AssigneeHydrant Guard LLC
InventorsMelvin D. Plummer, Niklas S. Seyferth, William A. Seyferth
Life of this patent
Estimating the term…
Abstract
A break-away check valve is provided. The check valve may be configured between two passageways and may regulate the flow of liquid between the passageways. The check valve may include an actuation assembly that may actuate the check valve upon the system becoming dislodged or otherwise dislocated from at least one of the passageways.
Claims20
A system for controlling a valve assembly, the system comprising:
- a housing with an upper side and a lower side and a central opening extending from the upper side to the lower side;
- a first valve plate configured within the central opening and including a first hub, the first hub including a first opening and a first outer surface circumscribing the first opening and a first alignment pin received within the first opening, the first valve plate and the first hub axially rotatable about the first alignment pin;
- at least one first hub notch configured in the first outer surface of the first hub;
- a first keeper pin including a first pin first end, a first pin second end, a first pin outer surface extending between the first pin first end and the first pin second end, and at least one first pin ridge configured in the first pin outer surface, the first keeper pin adapted to transition from a first pin locked position to a first pin unlocked position, wherein the first pin locked position includes the at least one first pin ridge engaged with the at least one first hub notch, and the first pin unlocked position includes the at least one first pin ridge disengaged from the at least one first hub notch;
- wherein the valve assembly is open with the first keeper pin in the first pin locked position and closed with the first keeper pin in the first pin unlocked position.
2 more elements
A system for controlling a valve assembly, the system comprising:
- a housing with an upper side and a lower side and a central opening extending from the upper side to the lower side;
- a first valve plate configured within the central opening and including a first peripheral hub, the first peripheral hub including a first hub opening and a first hub outer surface circumscribing the first hub opening and a first alignment pin received within the first hub opening, the first valve plate and the first peripheral hub axially rotatable about the first alignment pin;
- a first hub holder coupled to the housing and including a first holder opening adapted to receive at least a first portion of the first hub outer surface, the first peripheral hub rotatable within the first holder opening;
- and
- a first actuation assembly adapted to releasably engage at least a second portion of the first hub outer surface and adapted to transition from a first locked position to a first unlocked position;
- wherein the valve assembly is open with the first actuation assembly in the first locked position and closed with the first actuation assembly in the first unlocked position.
3 more elements
Dependencies are inferred from the claim text.