The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 03, 2002
Filed:
Jun. 23, 1998
Dan Nilsson, Sjuntorp, SE;
Ove Donnderdal, Sävedalen, SE;
Håkan Larsson, Mölndal, SE;
Aktiebolaget Electrolux (publ.), Stockholm, SE;
Abstract
A device in connection with a hand-operated working machine with a water flow directed to the working tool comprises a first control which is a control ( ) for a drive motor ( ) for the tool, and a second control which is a control ( ) for the water supply to the tool. A water control valve ( ) in a water supply conduit ( ) can be adjusted to adopt chosen opening positions, and is arranged constantly to be kept open in any chosen opening position when the motor is running the tool under influence of the drive motor control. The chosen opening positions are adjustable, i.e. the through opening of the valve can be increased or decreased by using water supply control ( ).