Tyre pressure regulating device

US10377188B2 · kind B2 · utility

Assignee

• WABCO GmbH · DE

Inventors

• Ulrich Couppee · Coppenbrügge, DE
• Michael Haverkamp · Hannover, DE
• Thomas Stellmacher · Stadthagen, DE

Key dates

• Filing date: Feb 12, 2016
• Grant date: Aug 13, 2019
• Expiry date: May 30, 2036

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60C23/00363
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A tire pressure regulating device for adjusting, while driving, the tire pressures of vehicle wheels of a plurality of vehicle axles of a motor vehicle with pneumatic tires includes at least one switchover valve arranged on the vehicle chassis that can be controlled in an electromagnetic/pneumatic manner, a plurality of axle valves, each axle valve being arranged on the vehicle chassis for each vehicle axle and being controllable in an electromagnetic/pneumatic manner, a plurality of pressure-controlled wheel valves, each pressure-controlled wheel valve being arranged at a respective vehicle wheel, a pilot control valve arranged on the vehicle chassis and being controllable in a purely electromagnetic manner or in an electromagnetic/pneumatic manner, and a plurality of two-channel rotary couplings arranged between the vehicle axles and associated vehicle wheels and provided with switchable seals.