Patent ID: 8702408
Filing Date: 2014-04-22
Classification: F04C

Abstract:
1. A slide configured for use in a single screw compressor, the compressor comprising a main rotor and at least one gate rotor, a casing for the main rotor having a discharge port and a bypass port spaced in an axial direction in relation to the main rotor, the slide comprising a first sealing surface configured to seal the bypass port and a second sealing surface configured to seal the discharge port and wherein an exit port is positioned between the first sealing surface and second sealing surface, the slide further comprising at least one inlet port for receiving gas from flutes of the main rotor for delivery to the exit port, the slide being configured to be operable, in use, to move between: i) a loaded position in which the exit port opens to the discharge port in the casing and the first sealing surface seals the bypass port, and ii) an unloaded position in which the exit port opens to a bypass port in the casing and the second sealing surface seals the discharge port.