PHASE CHANGE INITIATOR FOR USE WITH AN EXOTHERMIC PHASE CHANGE MATERIAL

PHASE CHANGE INITIATOR FOR USE WITH AN EXOTHERMIC PHASE CHANGE MATERIAL

The phase change initiator (11) is provided within a heat pack (10) consisting of substantially rigid walls and containing an exothermic phase change material (20). The initiator (11) includes a piston arrangement (12) which has slots (15) in its casing to provide fluid communication between the int...

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Hauptverfasser: THOM, RICHARD, SHAIKH, JIM, KYTE, ADAM
Format: Patent
Sprache:eng ; fre
Schlagworte:
BLASTING
HEAT EXCHANGE IN GENERAL
HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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creator THOM, RICHARD
SHAIKH, JIM
KYTE, ADAM
description The phase change initiator (11) is provided within a heat pack (10) consisting of substantially rigid walls and containing an exothermic phase change material (20). The initiator (11) includes a piston arrangement (12) which has slots (15) in its casing to provide fluid communication between the interior of the piston arrangement (12) and the phase change material (20) in the heat pack. Operation of the plunger (13) of the piston arrangement (12) acts to compress phase change material within the piston arrangement (12) to trigger initiation of a phase change which is then communicated to phase change material outside of the piston arrangement. The initiator (11) enables the use and activation of exothermic phase change material within a rigid casing. La présente invention concerne un initiateur de changement de phase (11) qui est prévu dans un sachet chauffant (10) constitué de parois sensiblement rigides, et contenant un matériau à changement de phase exothermique (20). L'initiateur (11) comprend un agencement de piston (12), le logement dudit agencement étant doté de fentes (15) afin de fournir une communication fluidique entre l'intérieur de l'agencement de piston (12) et le matériau à changement de phase (20) dans le sachet chauffant. Un actionnement du piston (13) de l'agencement de piston (12) agit pour comprimer le matériau à changement de phase dans l'agencement de piston (12) afin de déclencher le début d'un changement de phase qui est ensuite communiqué au matériau à changement de phase à l'extérieur de l'agencement de piston. L'initiateur (11) permet l'utilisation et l'activation d'un matériau à changement de phase exothermique dans un logement rigide.
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subjects BLASTING
HEAT EXCHANGE IN GENERAL
HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
title PHASE CHANGE INITIATOR FOR USE WITH AN EXOTHERMIC PHASE CHANGE MATERIAL
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