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:
Oct. 04, 2016
Filed:
Dec. 18, 2009
Erik Cardelius, Djursholm, SE;
Svante Bahrton, Hägersten, SE;
Markus Eklund, Stocksund, SE;
Kasper Höglund, Rönninge, SE;
Erik Cardelius, Djursholm, SE;
Svante Bahrton, Hägersten, SE;
Markus Eklund, Stocksund, SE;
Kasper Höglund, Rönninge, SE;
ALFA LAVAL CORPORATE AB, Lund, SE;
Abstract
A pump arrangement comprising two pump units, each pump unit comprising a pumping cylinder, a reciprocally movable pumping piston, said pumping piston delimiting a pumping chamber in the pumping cylinder in communication with a pump port for fluids, an actuator connected to the pumping piston, and determining a value dependent on the position of the pumping piston in the pumping cylinder, said pump arrangement further comprises a inlet and delivery valves connecting the pump port of each pump unit to a source line and a delivery line for pumped fluids, wherein the pump arrangement comprises at least one regulating unit the flow of the pumped fluids based on the value dependent on the positions of the pumping pistons in the pump units. Also a system comprising such a pump arrangement and a method for pumping fluids in said pump arrangement.