Vacuum pump
device · 1650 · Early modern era
Otto von Guericke’s pump for evacuating air.
What it is made of
- Check valve — has part. Valves stop air from flowing back.
- Rotary vane rotor — has part. Vanes cut off portions of gas.
- Stator — has part. A cylindrical chamber.
- Vacuum pump oil — has part. It seals the gaps.
- Electric motor — has part. The drive.
Principles and materials it uses
- Vacuum — uses. The pump creates a vacuum.
- Brass — is made of. The cylinder of Guericke’s pump is brass.
Where it is used
- Milking machine — is part of. A vacuum pump.
- Vacuum sealer — is part of. A pump.
- Mass spectrometer — is part of. A vacuum system.
- Electron microscope — is part of. A vacuum in the column.
History: what it evolved from and what it influenced
- Piston pump — evolved from. Guericke adapted the piston pump to pump out air.
- Boyle’s air pump — evolved into. An improved version of Guericke’s pump.