| 摘要 |
The assembly (20). fitted between a control rod (18) and a reaction disc (30), contains a material (40) with a volume that varies under the effect of heat and affects the distance between proximal (P) and distal (D) components, and is surrounded by a heat exchanger (44). The variable-volume material contains a mixture of a saturated hydrocarbon, preferably paraffin or wax, and is held inside a housing (38) with a deformable wall (40) formed by an elastomer of natural rubber membrane.
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