Low emission nozzles and receptacles
First Claim
Patent Images
1. A nozzle for dispensing fluid, the nozzle being configured to occupy a retracted position and an extended position, the nozzle comprising:
- a main body; and
a probe slidably disposed in the main body and defining a check void, the probe comprising;
an outer flat annular surface,an inner check sealing surface, anda check assembly at least partially disposed in the check void, the check assembly comprising a check moveable relative to the main body and a spring biasing the check to a closed position where the check sealingly engages the inner check sealing surface.
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Abstract
A method consistent with the present disclosure may include: (a) equalizing pressure between a nozzle inner void and a receptacle main inner void by pressing a nozzle check against a receptacle check to open the nozzle check and the receptacle check; (b) extending the nozzle into the receptacle such that a receptacle main body surrounds at least a portion of the nozzle probe; (c) flowing fluid from the nozzle inner void into the receptacle main inner void.
151 Citations
20 Claims
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1. A nozzle for dispensing fluid, the nozzle being configured to occupy a retracted position and an extended position, the nozzle comprising:
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a main body; and a probe slidably disposed in the main body and defining a check void, the probe comprising; an outer flat annular surface, an inner check sealing surface, and a check assembly at least partially disposed in the check void, the check assembly comprising a check moveable relative to the main body and a spring biasing the check to a closed position where the check sealingly engages the inner check sealing surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A receptacle comprising:
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a main body defining a main inner void; a spring seat disposed in the main body, the spring seat defining a central void; a stem slidably engaged with the spring seat, the stem at least partially disposed in the central void and at least partially disposed in the main inner void; a poppet connected to the stem, the poppet comprising an inner check sealing surface and defining an inner check void; a spring disposed between the spring seat and the poppet, the spring at least partially occupying the main inner void, the spring biasing the poppet to a closed position; a check assembly at least partially disposed in the inner check void, the check assembly comprising a check moveable relative to the main body and a check spring, the check spring biasing the check toward a closed position where the check engages the inner check sealing surface. - View Dependent Claims (20)
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Specification