- Patent Title: Limiting operation of a HVAC system for low-noise municipalities
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Application No.: US15870600Application Date: 2018-01-12
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Publication No.: US10921000B2Publication Date: 2021-02-16
- Inventor: Arvind Chitrala , Don A. Schuster , John Hughes , Karl J. Mutchnik
- Applicant: Trane International Inc.
- Applicant Address: US NC Davidson
- Assignee: Trane International Inc.
- Current Assignee: Trane International Inc.
- Current Assignee Address: US NC Davidson
- Agency: Womble Bond Dickinson (US) LLP
- Main IPC: F24F3/044
- IPC: F24F3/044 ; F25B29/00 ; F03D7/02 ; F25B49/02 ; F25B13/00

Abstract:
A sound level control system for a heating, ventilation, and air conditioning (HVAC) system is provided. The sound level control system comprises an outdoor unit with a compressor, an outdoor fan, and an outdoor controller and a communication device located at a predefined distance from the outdoor unit. The communication device measures sound levels in response to operating the outdoor unit. The outdoor controller is configured to receive a first noise level limit for a predefined time period, receive an instruction related to selective control of the outdoor unit, selectively control both of the compressor to rotate at a first compressor speed and the outdoor fan to rotate at a first fan speed based on the noise level limit for the predefined time period, and receive information related to whether a sound pressure level at a predefined location exceeds the first noise level limit for the predefined time period.
Public/Granted literature
- US20190219280A1 Limiting Operation of a HVAC System for Low-Noise Municipalities Public/Granted day:2019-07-18
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