Title:
IMPROVED POWER WASHER WITH PULSING BOOST POWER MODE
Document Type and Number:
WIPO Patent Application WO/2017/096740
Kind Code:
A1
Abstract:
An electric power washer (10) contains a main body (12), a hose (18), a handle (24), and a control circuit(32).The main body(12) contains a pump(14) and an electric power source operatively-connected to the pump(14). The hose (18) contains a first end (20) that is fluidly-connected to the pump and a second end (22) fluidly-connected to the handle (24). The handle (24) has a button (26) operatively-connected to the control circuit (32). The control circuit(32) is operatively-connected to both the pump(14) and the electric source(16,16',40). The control circuit (32) controls the output of the pump (14). The control circuit (32) contains a timer (36) as well. The control circuit (32) permits the pump (14) to normally operate at up to 100% normal power. However, when the button (26) is activated, the control circuit (32) permits the pump (14) to operate at a boost power mode of from about 103% normal power to about 300% normal power. The control circuit (32) intermittently pulses the boost power mode. The control circuit (32) terminates the boost power mode after a predetermined period of time or when the button (26) is no longer activated whichever is shorter. A method of boosting the power of a pump on a power washer is also described. The electric power washer allows the user greater control, and also reduces the change of damage to the battery, the pump, and/or the internal mechanisms of the power washer.
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Inventors:
RICKEY TODD (CN)
ESCHRICH SVEN (DE)
ESCHRICH SVEN (DE)
Application Number:
PCT/CN2016/078880
Publication Date:
June 15, 2017
Filing Date:
April 08, 2016
Export Citation:
Assignee:
AC (MACAO COMMERCIAL OFFSHORE) LTD (CN)
International Classes:
B08B3/02; B05B9/04
Foreign References:
| CN104520024A | 2015-04-15 | |||
| CN201230227Y | 2009-04-29 | |||
| CN101811122A | 2010-08-25 | |||
| CN204320542U | 2015-05-13 | |||
| JPH06126249A | 1994-05-10 | |||
| US20130214059A1 | 2013-08-22 | |||
| US20140013540A1 | 2014-01-16 |
Other References:
See also references of EP 3386651A4
Attorney, Agent or Firm:
RUNPING&PARTNERS (CN)
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