Patent · US Active

Internal gear pump with axial disk and intermediate piece

US9303643B2 · kind B2 · utility

0Cited by

3References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Rene Schepp · Waiblingen, DE
Norbert Alaze · Markgröningen, DE
Edgar Kurz · Haigern, DE

Key dates

Filing date	Mar 13, 2014
Grant date	Apr 5, 2016
Priority date	—
Expiry date	Mar 21, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04C2240/56
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An internal gear pump includes a pinion and an annulus as a return pump in a hydraulic vehicle brake system. The internal gear pump further includes an axial disk and an intermediate piece. The intermediate piece is configured to be acted upon by an outlet pressure of the internal gear pump and press the axial disk against a side face of the pinion and of the annulus.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.