Invention Grant
- Patent Title: Method and apparatus for using gravity to precisely dose detergent in a washing machine
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Application No.: US15265917Application Date: 2016-09-15
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Publication No.: US09938654B2Publication Date: 2018-04-10
- Inventor: Christoph J. Miller
- Applicant: WHIRLPOOL CORPORATION
- Applicant Address: US MI Benton Harbor
- Assignee: Whirlpool Corporation
- Current Assignee: Whirlpool Corporation
- Current Assignee Address: US MI Benton Harbor
- Main IPC: D06F39/02
- IPC: D06F39/02 ; D06F39/00 ; D06F33/02 ; D06F35/00 ; D06F37/30 ; G05B19/042 ; D06F39/08
Abstract:
An appliance for washing clothes includes a detergent storage tank and a drum. Between the detergent storage tank and the drum is a diverter valve which has a detergent inlet connected to the detergent storage tank, an air vent connected to ambient air, and a detergent outlet. The diverter valve has an energized state wherein the detergent inlet is open and the air vent is closed, and a de-energized state wherein the detergent inlet is closed and the air vent is open. The appliance also has a flow meter connected to the diverter valve and the drum.
Public/Granted literature
- US20170002500A1 METHOD AND APPARATUS FOR USING GRAVITY TO PRECISELY DOSE DETERGENT IN A WASHING MACHINE Public/Granted day:2017-01-05
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