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:
Jul. 22, 2014
Filed:
Mar. 18, 2011
Applicant:
Michael Heindtel, Mannheim, DE;
Inventor:
Michael Heindtel, Mannheim, DE;
Assignee:
Joseph Vogele AG, Ludwigshafen/Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C 19/22 (2006.01); E01C 19/18 (2006.01); E01C 23/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A road construction machine, particularly a road finisher or a feeder for a road finisher, with a primary drive unit including at least one combustion engine driving a three-phase generator, and further including at least one connection means for at least one conventional alternating current standard consumer, at least one stabilized voltage supply unit is connected between the connection means and the three-phase generator, wherein the voltage supply unit provides standard mains voltage with a permanently stable frequency at the connection means independent of the speed of the combustion engine driving the three-phase generator.