Invention Grant
- Patent Title: Compressor crankcase heating control systems and methods
- Patent Title (中): 压缩机曲轴箱加热控制系统及方法
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Application No.: US14079271Application Date: 2013-11-13
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Publication No.: US09181939B2Publication Date: 2015-11-10
- Inventor: Hung Pham
- Applicant: Emerson Climate Technologies, Inc.
- Applicant Address: US OH Sidney
- Assignee: Emerson Climate Technologies, Inc.
- Current Assignee: Emerson Climate Technologies, Inc.
- Current Assignee Address: US OH Sidney
- Agency: Harness, Dickey & Pierce, P.L.C.
- Main IPC: F04B39/06
- IPC: F04B39/06 ; F04B35/04 ; F04B39/12 ; F04B49/06

Abstract:
A crankcase heating control system for a heat pump system includes a data receiving module and a power control module. The data receiving module receives data indicative of a temperature of a compressor of the heat pump system, data indicative of an ambient temperature, and data indicative of a current date and a current time. The power control module selectively applies power to a heater of a crankcase of the compressor and selectively disables the heater based on the temperature of the compressor, the ambient temperature, the current date, and the current time.
Public/Granted literature
- US20140138451A1 Compressor Crankcase Heating Control Systems and Methods Public/Granted day:2014-05-22
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