F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/34 (2006.01) F16J 15/36 (2006.01)
Patent
CA 2513647
A mechanical face seal, for sealing about a rotating shaft, includes a seal head assembly in sealing engagement with a seal seat assembly. The seal seat assembly has a washer with a portion that is sandwiched between a grommet and a seal seat. Another portion of the washer is sandwiched between a sleeve or shoulder on the shaft and an impeller. Frictional heat generated by the seal can be conducted away from the seal seat to the sleeve or shoulder on the shaft, which is particularly advantageous when the face seal is operated without water adjacent to the seal seat.
L'invention concerne un joint mécanique à portée plane permettant de former une étanchéité autour d'un arbre rotatif. Ce joint comprend un ensemble tête de joint qui établit un contact étanche avec un ensemble support de joint. L'ensemble support comprend une rondelle qui comporte une partie intercalée entre un anneau et un support. Une autre partie de la rondelle est intercalée entre un manchon ou un épaulement formé sur l'arbre et une turbine. La chaleur de frottement produite par le joint peut être évacuée du support de joint en direction du manchon ou de l'épaulement formé sur l'arbre, ce qui est particulièrement avantageux lorsque le joint mécanique est utilisé en l'absence d'eau jouxtant le support.
Freudenberg-Nok General Partnership
Macrae & Co.
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