Conical valve for cryogenic media

Details Conical valve for cryogenic media Conical valve for cryogenic media

2006-12-26

2006-12-26

Bastianelli, John (Department: 3751)

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

C251S144000, C137S240000, C141S31100A

Reexamination Certificate

active

07152844

ABSTRACT:
A valve has a valve needle for feeding a medium into a receptacle, a valve chamber, and a valve seat. The end face of the valve needle when the valve is closed as well as the valve chamber essentially closing off flush with an inner surface of the receptacle. The end face-side of the valve needle is shaped as a cone whose largest diameter occurs on the face of the valve needle. The valve is particularly suitable for refrigerating and freezing liquid, viscous and pellet-type products, particularly of food products or pharmaceutical products.

REFERENCES:
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patent: 4445532 (1984-05-01), Mitchell
patent: 4553564 (1985-11-01), Baram
patent: 5312085 (1994-05-01), Yokoyama et al.
patent: 40 33 491 (1992-04-01), None
patent: 41 14 122 (1992-05-01), None
patent: 199 32 859 (2000-04-01), None
patent: 101 52 764 (2003-05-01), None
patent: 1 246 843 (1960-11-01), None

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