Invention Grant
- Patent Title: HVAC systems having air-tight access doors
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Application No.: US17093508Application Date: 2020-11-09
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Publication No.: US11384594B2Publication Date: 2022-07-12
- Inventor: John L. McElvany , Sriram Ramanujam , Uttam Kumar Sharma , Curtis A. Trammell
- Applicant: Johnson Controls Technology Company
- Applicant Address: US MI Auburn Hills
- Assignee: Johnson Controls Technology Company
- Current Assignee: Johnson Controls Technology Company
- Current Assignee Address: US MI Auburn Hills
- Agency: Fletcher Yoder, P.C.
- Main IPC: E06B7/22
- IPC: E06B7/22 ; F24F13/20

Abstract:
The present disclosure relates to an HVAC system door assembly that includes a door that includes a panel having a first side and a second side opposite the first side, and a first seal circuit. The first seal circuit is disposed on the first side. The HVAC system door assembly also includes a door frame that includes a second seal circuit. HVAC system door assembly further includes a ridge projecting from one of the first seal circuit or the second seal circuit configured to align with and engage a central portion of the other of the first seal circuit or the second seal circuit when the door is in a closed position with respect to the door frame. The ridge includes a cross-sectional profile having a flattened peak section with sloping side sections that extend from boundaries of the flattened peak section to a base of the ridge.
Public/Granted literature
- US20210054686A1 HVAC SYSTEMS HAVING AIR-TIGHT ACCESS DOORS Public/Granted day:2021-02-25
Information query
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