Fluid-handling machine incorporating a closed loop system for co

Details Fluid-handling machine incorporating a closed loop system for co Fluid-handling machine incorporating a closed loop system for co

1993-09-23

1994-05-24

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

Automatic controls

68 1202, 68 1219, 68207, 137387, A47L 1546, D06F 3302

Patent

active

053139640

ABSTRACT:
A fluid-handling machine, such as a dishwasher or clothes washer, incorporates a device for measuring liquid load that includes a sensor for detecting liquid pressure surges. The machine may further include a frame for containing articles, a system for circulating or distributing a liquid in the frame, and a controller, responsive to the device, for controlling the amount of liquid provided to the frame so that enough liquid is provided to ensure that there is a sufficient amount for a wash cycle.

REFERENCES:
patent: 3359766 (1967-12-01), Haas
patent: 3478373 (1969-11-01), McBride et al.
patent: 3508287 (1970-04-01), Mason
patent: 4097307 (1978-06-01), Geiger
patent: 4697293 (1987-10-01), Knoop
patent: 4741357 (1988-05-01), Battel et al.
patent: 4835991 (1989-06-01), Knoop et al.
"Home Appliances", Chapter 16 of Sensors: A Comprehensive Survey, vol. 1, edited by W. Gopel, J. Hesse, and J. N. Zemel (1989).
"Invisible at Home, Fuzzy Logic Crosses the Pacific and Bursts Out All Over", published by Computergram International on Feb. 5, 1991.
"WCI Differentiates its Brands: Presents Restyled Lines Aimed at Specific Retail Channels: WCI Appliance Group", published by the Weekly Home Furnishings Newspaper on Feb. 4, 1991.
"The Future of Electronics Looks `Fuzzy`", published in The Washington Post on Dec. 23, 1990.
"Fuzzy Logic" published in Popular Science in Jul. 1990.

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