Control and delivery of hydraulic fluid in vehicle braking system
US9969374B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2013 |
| Grant date | May 15, 2018 |
| Priority date | — |
| Expiry date | May 30, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T2270/60
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A braking system in a hybrid vehicle is provided. The braking system includes a master cylinder having a first outlet, a second outlet, and a piston disposed therein and translatable from a proximal end to a distal end in response to brake pedal displacement. A brake fluid reservoir supplies hydraulic fluid to the master cylinder. A first fluid circuit connects the first outlet of the master cylinder to the brake fluid reservoir. A second fluid circuit connects the second outlet of the master cylinder to wheel brakes and supplies hydraulic fluid from the master cylinder to the wheel brakes in response to brake pedal displacement. The first outlet of the master cylinder is disposed between the second outlet and the proximal end of the master cylinder such that initial brake pedal displacement transfers brake fluid from the master cylinder to the fluid reservoir to inhibit hydraulic braking during regenerative braking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.