Heater unit for installation on valve

Details Heater unit for installation on valve Heater unit for installation on valve

2004-04-19

2010-12-14

Fox, John (Department: 3753)

Fluid handling

With heating or cooling of the system

With electric heating element

Reexamination Certificate

active

07849873

ABSTRACT:
A heater unit having a main body constructed in the form of a housing and covers the entire flow path forming sections of the valve and joints, and a heater built in the main body is mounted on the valve. The heater includes a direct heating section and a radiant heating section. The direct heating section heats at least a part of the flow path forming sections of the valve through direct contact heating. The radiant heating section heats the inside of the main body of the heater unit by radiant heat.

REFERENCES:
patent: 5485542 (1996-01-01), Ericson
patent: 5614119 (1997-03-01), Ollis
patent: 6060691 (2000-05-01), Minami et al.
patent: 6478043 (2002-11-01), Ishigaki
patent: 2003/0005959 (2003-01-01), Yamaji et al.
patent: 56113879 (1981-09-01), None
patent: 4064788 (1992-02-01), None
patent: 7035256 (1995-02-01), None
patent: 7071648 (1995-03-01), None
patent: 2001-099382 (2001-04-01), None
International Search Report dated Aug. 17, 2004 Application No. PCT/JP2004/005567.

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