Rotary piston and cylinder device
AssigneeLontra Limited
InventorStephen Francis Lindsey
Life of this patent
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Abstract
A rotary piston and cylinder device (1) comprising a rotor (2), a stator (4) and a rotatable shutter (3), a rotary piston and cylinder device comprising a rotor, a rotatable shutter, the rotor comprising a piston (5), the piston comprising a first side (5b) and a second side (5a), the first side (5b) arranged to seal with a slot of the shutter, and comprises a working face, the second side being a substantially oppositely directed side to the first side, and the second side (5a) comprising a sealing portion arranged to seal with the shutter slot and/or stator and a non-sealing portion arranged not to seal with the shutter slot.
Claims19
A rotary piston and cylinder device comprising
- a rotor,
- a stator adjacent and maintained relative to the rotor, a surface of the stator facing a surface of the rotor to together define a working chamber, and
- a rotatable shutter at least partially located within the working chamber,
- the rotor comprising a piston extending from the surface thereof,
- the piston comprising a first side and a second side,
- the first side being arranged to seal with a slot of the shutter, and comprising a working face,
- the second side being a oppositely directed side to the first side, and the second side comprising a sealing portion arranged to seal with at least one of the shutter slot or the stator and a non-sealing portion arranged not to seal with the shutter slot.
Dependencies are inferred from the claim text.