A screw compressor injected with water

Details A screw compressor injected with water A screw compressor injected with water

F - Mech Eng,Light,Heat,Weapons

04

C

F04C 18/16 (2006.01) F01C 21/02 (2006.01) F04C 29/00 (2006.01)

Patent

CA 2396910

The invention concerns an element of a screw compressor injected with water containing two rotors (2-3) in a rotor chamber (4). The water circuit (11) contains a part (10) in which practically prevails the outlet pressure. On the inlet side, the axle journals (13, 16) are radially supported on hydrodynamic slide bearings (18, 19). In the housing (1) opposite to the crosscut ends of the axle journals (13, 16) are formed chambers (20, 21) which are connected to the above-mentioned part (10) or to the inside of the rotor chamber (4). On the outlet side, the axle journals (14, 17) are radially supported on hydrodynamic slide bearings (25, 26) on the one hand, and they are axially supported on hydrostatic slide bearings (27, 28) on the other hand which are connected to the above-mentioned part (10) of the water circuit (11), or on hydrodynamic slide bearings (37, 38).

Elément d'un compresseur à vis à injection d'eau qui comporte deux rotors (2-3) situés dans une chambre (4) de rotors. Le circuit d'eau (1) comprend une partie (10) dans laquelle règne pratiquement la pression d'évacuation. Du côté entrée, les fusées (13, 16) d'essieu sont supportées radialement par des paliers (18, 19) à glissement hydrodynamiques. Le carter (1) comporte, face aux extrémités coupées transversalement des fusées (13, 16) d'essieu, des chambres (20, 21) qui sont connectées à la partie (10) mentionnée ci-dessus ou à l'intérieur de la chambre (4) de rotors. Du côté évacuation, les fusées (14, 17) d'essieu sont d'une part supportées radialement par des paliers (25, 26) à glissement hydrodynamiques, et d'autre part supportées axialement par des paliers (27, 28) à glissement hydrostatiques connectés à la partie (10) mentionnée ci-dessus du circuit d'eau (11), ou par des paliers (37, 38) à glissement hydrodynamiques.

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