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    • 38. 发明申请
    • Deep Cryogenic Treatment Chamber for Industrial Applications
    • US20220275989A1
    • 2022-09-01
    • US17670895
    • 2022-02-14
    • Jack Cahn
    • Jack Cahn
    • F25D3/10C21D1/613F25D29/00C21D1/78C21D9/22C21D6/04
    • Apparatus and method for construction of a rectangular deep cryogenic treatment chamber using an insulated, steel structure capable of large size and large volume cold thermal treatment. Apparatus includes end or top-mounted closure, liquid nitrogen delivery and distribution mechanisms, fan motors, cold diffusion-less thermal exchange, external heating element, electrical wiring and machined components. The design facilitates both low temperature, dry vapor thermal processing of metal and metal-matrix components down to −320° F. to enhance wear, corrosion, mechanical, thermal and electrical characteristics, and also post-cryogenic tempering capability to 300° F. The apparatus describes an external, LN2 storage dewar and solenoid-activated, gravity fed cryogen delivery via distribution hubs and distributed flow tubes. The apparatus also describes integrated deep cryogenic treatment authentication, test, validation and certification equipment. The process and method of treatment results in certification documents that authenticate and confirm treatment of the subject parts, reflect test and measurement of improved characteristics, retained data for archival purposes and to provide scientific evidence and proof of such treatment to a third-party not present at time of treatments, test or certification