Patent · US Active

Brake booster and brake system

US10556576B2 · kind B2 · utility

0Cited by

4References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Andreas Ohm · Kupferzell, DE
Andreas Deberling · Erdmannhausen, DE
Daniel Weissinger · Ditzingen, DE
Willi Nagel · Biberach an der Riß, DE

Key dates

Filing date	Jul 13, 2016
Grant date	Feb 11, 2020
Priority date	—
Expiry date	Jul 13, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H25/24
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A brake booster for a brake master cylinder of a motor vehicle includes a drive motor that is connected/connectable by a gear unit to a pressure piston for the brake master cylinder, the gear unit converting a rotational motion of the drive motor into a translational motion of the pressure piston to actuate the brake master cylinder, and the gear unit including a rotatable spindle nut and a non-rotatable spindle rod having intermeshing trapezoidal threads that have have a flank clearance and a tip clearance that are greater than a bottom clearance.

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