Ford tests hydraulic hybrid

Sept. 1, 2002
A hybrid powertrain that uses hydraulic pressure to recover energy normally lost during braking will be tested in a fleet of Ford E550 vans in commercial service, according to Ford Motor Co. The system, which was jointly developed with Eaton Corp., could cut fuel consumption by up to one-third in stop-and-go driving conditions. The demonstration fleet is expected to go into service in early 2004.

A hybrid powertrain that uses hydraulic pressure to recover energy normally lost during braking will be tested in a fleet of Ford E550 vans in commercial service, according to Ford Motor Co. The system, which was jointly developed with Eaton Corp., could cut fuel consumption by up to one-third in stop-and-go driving conditions. The demonstration fleet is expected to go into service in early 2004.

The Ford hydraulic power assist (HPA) system uses a reversible hydraulic motor to compress the fluid with energy supplied by a braking vehicle, essentially capturing energy lost as heat in normal brake systems. The stored pressure is then used to help launch the vehicle from a stop, cutting fuel consumption and exhaust emissions.

Ford says its research indicates that such a regenerative braking system is best suited to commercial van or medium-duty truck applications where driving cycles could offer a rapid payback through reduced fuel costs.

The hydraulic assist system also offers significant performance improvements, with computer modeling tests showing a 37% improvement in 0-30 mph acceleration times for an E550 loaded to 19,000 lb.

Ford also expects that the HPA powertrain would cut brake wear by more than 70% in vehicles with GVWs over 8,500 lb.

Sponsored Recommendations

Tackling the Tech Shortage: Lessons in Recruiting Talent and Reducing Turnover

Discover innovative strategies for recruiting and retaining tech talent in the trucking industry at our April 16th webinar, where experts will share insights on competitive pay...

Stop Sweating Temperature Excursions

Advanced chemical indicators give you the peace of mind that comes from reliable insights into your supply chains. Compromised shipments can be identified the moment they arrive...

Stop Sweating Temperature Excursions

Advanced chemical indicators give you the peace of mind that comes from reliable insights into your supply chains. Compromised shipments can be identified the moment they arrive...

How Electric Vehicles Help You Prolong the Life of Your Fleet

Before adopting electric vehicles for commercial/government fleets, prioritize cost inquiries. Maintenance is essential; understand the upkeep of EV fleets. Here’s what you need...

Voice your opinion!

To join the conversation, and become an exclusive member of FleetOwner, create an account today!