| US 7,549,184 B2 | ||
| Adding liquid machine with presettable quantity and adding liquid method thereof | ||
| Yu-Gao Zhang, Wanchai (China) | ||
| Assigned to Esquel Enterprises Limited, Wanchai (Hong Kong Special Administrative Region of the People's Republic of China, The) | ||
| Appl. No. 10/555,823 PCT Filed Aug. 05, 2004, PCT No. PCT/CN2004/000904 § 371(c)(1), (2), (4) Date Nov. 07, 2005, PCT Pub. No. WO2006/012776, PCT Pub. Date Feb. 09, 2006. |
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| Prior Publication US 2006/0272101 A1, Dec. 07, 2006 | ||
| Int. Cl. D06F 39/02 (2006.01); D06F 29/00 (2006.01) | ||
| U.S. Cl. 8—159 [68/12.18; 68/17 R; 68/23.5; 68/207] | 21 Claims |
| 1. An adding liquid machine with presettable quantity, comprising:
a washer extractor, a spray apparatus which sprays chemicals on a garment therein is provided on said washer extractor;
an adding chemicals container;
a first measuring apparatus for measuring the amount of chemicals contained in said adding chemicals container;
a microprocessor;
wherein said adding chemicals container is connected fluidly with said spray apparatus through a first chemical pump;
wherein said microprocessor is operable to calculate an amount of chemicals to be sprayed inside said washer extractor based
on (a) a manual input indicative of a garment quantity and (b) a predetermined bath liquid ratio; and
wherein said microprocessor is operable to calculate a surplus chemicals amount discharged from said washer extractor by subtracting
a chemical amount absorbed by the garment as calculated based on a wet pick up ratio from a total chemicals amount added to
said washer extractor.
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