Robert Boschgmbh

Gottfried Olbrich

Peter Pfeffer

Wilhelm Weigert

The battery energized electric motor vehicle has a main driving motor connected to the battery via a footpedal operated control circuit; an auxiliary electric motor for a steering device is connected to the battery in series with the main driving motor and across the control circuit of the latter so that a difference voltage between the battery voltage and the instant driving voltage applied to the main driving motor controls the steering device.

Battery powered electric motor vehicle

A valve for an opening of a pressure vessel has a body member defining a fluid flow passage having an inlet and an outlet. The body member is movable between an open position in which the inlet communicates with a hollow of the vessel so that a fluid enters the inlet of the valve and is discharged from the outlet thereof, and a closed position in which the inlet is discommunicated from the hollow of the vessel and the fluid does not enter the valve. The fluid exerts during its flow through the passage a component of force upon the body member which tends to prematurely urge the latter into the closed position. An arrangement is provided for accelerating the discharge of the fluid through the outlet of the valve in the open position so as to prevent premature movement of the body member into the closed position under the action of the fluid. The above arrangement may be in form of formations reducing a cross-sectional area of the outlet of the valve, which formations may be formed in the body member and/or in a wall of a housing surrounding the body member.

Growing community of inventors

Bietigheim, Germany

Gottfried Olbrich