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.

Date of Patent:
Jun. 15, 2021

Filed:

Jan. 23, 2019
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventors:

Stephan Fitzner, Langen, DE;

Alexander Settle, Ruesselsheim, DE;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 49/035 (2006.01); F04B 45/02 (2006.01); F04B 49/24 (2006.01); F04B 39/12 (2006.01); F04B 1/0408 (2020.01); F02M 59/36 (2006.01); F02M 55/04 (2006.01); F04B 41/06 (2006.01); F02M 59/46 (2006.01); F04B 39/10 (2006.01);
U.S. Cl.
CPC ...
F04B 49/035 (2013.01); F02M 55/04 (2013.01); F02M 59/366 (2013.01); F02M 59/367 (2013.01); F04B 1/0408 (2013.01); F04B 39/123 (2013.01); F04B 45/02 (2013.01); F04B 49/243 (2013.01); F02M 59/462 (2013.01); F04B 39/1066 (2013.01); F04B 41/06 (2013.01);
Abstract

A high pressure pump is disclosed. The high pressure pump comprises a compression chamber having an inlet for connecting to a fluid supply to intake a fluid, and an outlet, an inlet check valve between the compression chamber and the inlet, a digital inlet valve between the compression chamber and the inlet check valve, a variable volume chamber connected to the compression chamber through a manifold and the digital inlet valve, and a plunger or piston configured to compress the fluid in the compression chamber and the variable volume chamber.


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