Patent · US Active

Method and system for actuating a vacuum pump associated with a brake booster

US10160432B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Ford Global Technologies, LLC · US

Inventors

Ian Moore · Pulheim, DE
Christian Schmaler · Munich, DE
Matthias Baumann · Cologne, DE

Key dates

Filing date	Oct 13, 2016
Grant date	Dec 25, 2018
Priority date	—
Expiry date	Oct 13, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60T13/52
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A method for actuating an electric vacuum pump of a brake booster including indirectly ascertaining a negative pressure in the brake booster. Depending on the indirectly ascertained negative pressure, and on a pumping capacity of the vacuum pump, ascertaining at least one activation parameter for the vacuum pump. Activating the vacuum pump in accordance with the activation parameter, when the indirectly ascertained negative pressure drops below a predefined minimum value.

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