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:
Jan. 18, 2011
Filed:
Jan. 17, 2007
Giuseppe Marino, Bari, IT;
Alessandro DE Luca, Bari-palese, IT;
Vittorio Caroli, Bari, IT;
Angela Cavallo, Grottaglie, IT;
Rocco Guarino, Turi, IT;
Nicola Loiudice, Altamura, IT;
Massimiliano Roncone, Bitritto, IT;
Giuseppe Ficarella, Bari, IT;
Giuseppe Marino, Bari, IT;
Alessandro De Luca, Bari-palese, IT;
Vittorio Caroli, Bari, IT;
Angela Cavallo, Grottaglie, IT;
Rocco Guarino, Turi, IT;
Nicola Loiudice, Altamura, IT;
Massimiliano Roncone, Bitritto, IT;
Giuseppe Ficarella, Bari, IT;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A high-pressure pump for feeding fuel to an internal combustion engine has a pump housing; a fuel delivery duct; and a check valve, which is arranged along the delivery duct, and comprises a fuel chamber; a valve member mobile within the fuel chamber; and a biasing and guiding assembly, which has a fastening member suitable for being fastened to the pump housing and sealing the fuel chamber in a fluid-tight manner; a helical spring suitable for biasing the valve member; and a bushing arranged about the helical spring in order to prevent bending of the helical spring.