F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 39/00 (2006.01) B60T 17/02 (2006.01)
Patent
CA 2591491
The invention relates to a dry-running piston compressor comprising a crankcase (4), on which at least one pot-like cylinder (5) is mounted. This cylinder has an associated piston (7), which is located therein and which, by means of a connecting rod (8), is joined to a crankshaft (10) rotationally mounted inside the crankcase (4). The crankshaft-side end of the connecting rod (8) is mounted on the crankshaft (10) via a connecting rod bearing (9) provided in the form of an antifriction bearing. The connecting rod bearing (9) has a load index Bconnecting rod ranging from 2 to 6 that is obtained from the following formula: Bconnecting rod = Cdyn.[N]/ (Apiston[mm2].pcompressor[N/mm2]), in which Cdyn represents the dynamic bearing rated load, Apiston represents the piston area, and pcompressor represents the nominal working pressure.
L'invention concerne un compresseur fonctionnant à sec, qui comprend un carter de vilebrequin (4) sur lequel est monté au moins un cylindre de type pot (5) avec un piston (7) associé qui se situe dedans, ledit piston étant relié au moyen d'une bielle (8) à un vilebrequin (10) logé rotatif dans le carter de vilebrequin (4). L'extrémité de la bielle (8), côté vilebrequin, est logée sur le vilebrequin (10), par l'intermédiaire d'un coussinet de bielle (9) conçu sous forme de palier à roulement. Le coussinet de bielle (9) présente un indice de sollicitation Bbielle de l'ordre de 2 à 6, qui résulte de la formule : Bbielle = Cdyn.[N]/(Apiston[mm2].pcompresseur[N/mm2], Cdyn. désignant la charge nominale dynamique du palier, Apiston désignant la surface du piston et pcompresseur désignant la pression de travail nominale.
Fetherstonhaugh & Co.
Knorr-Bremse Systeme Fuer Schienenfahrzeuge Gmbh
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