Water supply and pumping station using Archimedes screw driven by water turbine - uses water lifted to set into motion water bucket chain coupled to electric generator with released flow energy used for turbine drive
DE4009022A1
Generation of electricity by wind-power - by using windmill to drive water pump which drives turbine
DE3933205A1
Stirrup foot pressure comparison indicator for hose riders - has hydraulic cylinder operated by foot pedal in stirrup to move indicator rod in tube
DE3928321A1
Windmill with vertical wind channel - has two turbine rotors with aircraft wing-shaped blades for shaft driving generator
DE3832851A1
Horizontal air-vane rotor
DE3522950A1
Screw-on oil by-pass filter
DE3416065A1
Filter combination
US4575422A
Paper roll filter structure
EP0088148A2
Filter
DE2941079A1
Vehicular energy re-cycling system - converts vehicle energy into stored potential energy using hinged road sections coupled to pump
DE2915930A1
Car engine oil filter - connected to vacuum source to remove water by degassing
DE2251130A1
Cartridge oil filter for I.C. engine - cartridge held in position by oil pressure and top seal to allow replacement without tools
