US 12,064,794 B2
Handheld high-pressure cleaning machine
Yong Qiao, Jiangsu (CN); Qibin Wang, Jiangsu (CN); and Haohua Dong, Jiangsu (CN)
Assigned to Positec Power Tools (Suzhou) Co., Ltd., Suzhou (CN)
Filed by Positec Power Tools (Suzhou) Co., Ltd, Jiangsu (CN)
Filed on Jan. 8, 2021, as Appl. No. 17/145,165.
Application 17/145,165 is a continuation of application No. PCT/CN2019/095225, filed on Jul. 9, 2019.
Claims priority of application No. 201810742000.7 (CN), filed on Jul. 9, 2018; application No. 201810743756.3 (CN), filed on Jul. 9, 2018; application No. 201810747334.3 (CN), filed on Jul. 9, 2018; application No. 201910247328.6 (CN), filed on Mar. 29, 2019; and application No. 201910279910.0 (CN), filed on Apr. 9, 2019.
Prior Publication US 2021/0129190 A1, May 6, 2021
Int. Cl. B08B 3/02 (2006.01); B05B 9/01 (2006.01); B05B 9/04 (2006.01); B08B 13/00 (2006.01); F04B 17/03 (2006.01); F04B 53/16 (2006.01)
CPC B08B 3/026 (2013.01) [B05B 9/01 (2013.01); B05B 9/0413 (2013.01); B08B 13/00 (2013.01); F04B 17/03 (2013.01); F04B 53/16 (2013.01); B08B 2203/0223 (2013.01); B08B 2203/027 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A handheld high-pressure cleaning machine, comprising:
a main machine housing, mounted or integrally formed with a battery pack mounting portion, to allow detachable attachment of a battery pack, wherein the main machine housing comprises a first half housing and a second half housing located on two sides of a middle plane;
a liquid outlet, provided in the main machine housing, and configured to discharge a cleaning liquid;
a first handle, comprising a holding portion to be held by an operator, wherein the first handle is mounted or integrally formed on the main machine housing;
a motor, configured to supply a driving force for the handheld high-pressure cleaning machine to operate; and
a pump, driven by the motor to output the cleaning liquid, wherein
the battery pack mounting portion comprises a first battery pack mounting portion and a second battery pack mounting portion, and the battery pack comprises a first battery pack connected to the first battery pack mounting portion and a second battery pack connected to the second battery pack mounting portion; and
as observed from a rear side of the handheld high-pressure cleaning machine, the first battery pack and the second battery pack are attached to the main machine housing in a manner that a center of gravity G of the handheld high-pressure cleaning machine is within a range of 1 to 1.5 times a width of the holding portion on a left or right side of the middle plane.