PNEUMATIC CUSHION HAVING PUMP UNIT

• Main Authors: VON BALLMOOS, Roland, GÜHMANN, Andreas, RINER, Harald
• Format: Patent
• Language: English; French; German
• Published: 26.09.2018
• Subjects: AIRCRAFT; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT; AVIATION; BEDS; CHAIRS; COFFEE MILLS; COSMONAUTICS; DOMESTIC ARTICLES OR APPLIANCES; EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; FURNITURE; HUMAN NECESSITIES; PARACHUTES; PERFORMING OPERATIONS; SEATS SPECIALLY ADAPTED FOR VEHICLES; SOFAS; SPICE MILLS; SUCTION CLEANERS IN GENERAL; TRANSPORTING; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR; VEHICLES IN GENERAL

The invention relates to a pump unit for inflating and deflating a pneumatic cushion, comprising a pump with two conveying directions, a first fluid line to connect the pump to the pneumatic cushion, and a second fluid line with which the pump can be connected to a supply line or the atmosphere, as well as a first pressure sensor that is connected to the first fluid line or to the second fluid line in order to measure a fluid pressure present in the fluid line. The pump unit also has a control unit that is connected to the pump and to the first pressure sensor. The pump, at least one part of the first fluid line, the second fluid line, the first pressure sensor and the control unit are arranged in a common housing.