Invention Grant
- Patent Title: Voltage doubling circuit for laundry treating appliance with high power variable frequency drive
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Application No.: US15946140Application Date: 2018-04-05
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Publication No.: US10541607B2Publication Date: 2020-01-21
- Inventor: Daniel Quinn
- Applicant: WHIRLPOOL CORPORATION
- Applicant Address: US MI Benton Harbor
- Assignee: Whirlpool Corporation
- Current Assignee: Whirlpool Corporation
- Current Assignee Address: US MI Benton Harbor
- Agency: McGarry Bair PC
- Main IPC: F04D15/00
- IPC: F04D15/00 ; H02K7/14 ; H02M3/07 ; H02M1/32 ; D06F35/00 ; H02P27/04 ; D06F37/30

Abstract:
A circuit that increases input voltage to higher output voltage connected to a variable frequency drive in an appliance. Several switching arrangements, timing, and safety mechanisms are in place to assist. When the circuit experiences high draw, high voltage output values of circuit decrease over time, but different aspects of the circuit can be constructed so that the amount of time required at a higher voltage does not exceed the amount of time in which the high voltage output is provided.
Public/Granted literature
- US20180342950A1 VOLTAGE DOUBLING CIRCUIT FOR LAUNDRY TREATING APPLIANCE WITH HIGH POWER VARIABLE FREQUENCY DRIVE Public/Granted day:2018-11-29
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