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:
Mar. 10, 2015
Filed:
Jun. 03, 2012
Mats Hedman, Sparreholm, SE;
Mats Hedman, Sparreholm, SE;
Perfecter AB, Katrineholm, SE;
Abstract
A pressure pulse generator includes a cylinder (), a body () connected to the cylinder (), a first channel () extending from the cylinder () to a pressure sink LP, a pressure fluid circuit having a second channel () extending to the cylinder () from a pressure source HP, an actuator piston () being displaceable arranged, a controllable first valve body () arranged in the second channel () to open or close a pressure fluid flow in the second channel (), an electro element () to control the valve body (), a second valve body () arranged at or to the second channel () for opening or closing of the channel (). The second valve body () is an element rigidly connected to the actuator piston ().