Patent ID: 11971229
Assignee: LUMMUS TECHNOLOGY LLC
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 7:
8. A closure assembly configured to removably secure to an open channel end of an interior chamber of a heat exchanger assembly, comprising:
a cylindrical shaped lock ring member defining a cylindrical outer surface portion and a cylindrical shaped interior portion wherein the cylindrical outer surface portion is provided with a plurality of spaced-apart lock ring hub sections separated in a circumferential direction around the cylindrical shaped lock ring member by non-hub sections, the plurality of spaced-apart lock ring hub sections configured to interdigitate with corresponding channel hub sections formed on a cylindrical inner surface portion of the heat exchanger assembly; and
a cylindrical shaped cover member secured concentric with the cylindrical shaped interior portion of the cylindrical shaped lock ring member,
wherein the plurality of spaced-apart lock ring hub sections are configured to interdigitate with the corresponding channel hub sections by rotating the cylindrical shaped lock ring member less than 360 degrees relative to the open channel end of the heat exchanger assembly to secure the cylindrical shaped lock ring member to the heat exchanger assembly.