Ejector mechanism for an ammunition carrier
AssigneeMesserschmitt-Boelkow-Blohm GmbH
InventorsWalter Hetzer, Erwin Goellner
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AssigneeMesserschmitt-Boelkow-Blohm GmbH
InventorsWalter Hetzer, Erwin Goellner
Estimating the term…
An ejecting mechanism for an ammunition body is operated by pressurized gas from a high pressure bottle for pressurizing a double piston, which controls two ejectors through a hydraulic valve system. The pressurized gas is heated by a heater surrounding the high pressure bottle to keep the bottle and its content at a temperature that corresponds approximately to the highest outer temperature under which the ejector mechanism is expected to operate. Thus, the pressurized gas has the same energy content at all expected external operating temperatures. After an ammunition body has been ejected, the ejector pistons are pushed back again under an electrical control signal from a control which controls the valve system, whereby the hydraulic oil is pressed back into a hydraulic reservoir. The ejector pistons are of the stepped type to facilitate the intended operation. A high pressure pump pumps the hydraulic oil back into the double piston cylinder device, whereby the respective double piston drives the working or driving gas back into the high pressure bottle, thereby reactivating the system for the next ejection.
An ejector mechanism for ejecting an ammunition body from an ammunition carrier, comprising twin ejector means for ejecting an ammunition body, a control system for controlling the operation of said ejector mechanism, said control system including a double piston cylinder device, a hydraulic valve circuit, a hydraulic reservoir, hydraulic pump means, and hydraulic conduit means to form said control system, said mechanism further including a normally pressurized gas source connected to said double piston cylinder device for driving a double control piston in a forward control direction, said hydraulic pump means driving said double piston in a reverse direction, said ejector mechanism further comprising heater means for heating said pressurized gas source to a uniform temperature to keep the energy content of said pressurized gas source approximately constant independently of any external temperature.
Dependencies are inferred from the claim text.