Mechanical seal with heat exchanger

Details Mechanical seal with heat exchanger Mechanical seal with heat exchanger

F - Mech Eng,Light,Heat,Weapons

16

J

277/2

F16J 15/34 (2006.01) F16J 15/16 (2006.01) F16J 15/54 (2006.01) F28F 1/42 (2006.01)

Patent

CA 1319164

ABSTRACT OF THE DISCLOSURE A heat exchanger is provided for a seal assembly for altering the temperature of fluid sealed by the seal assembly. The heat exchanger includes a sealed annular chamber consisting of a pair of concentric sealed chambers of a recited construction and orientation, i.e. being separate and distinct from, and non- communicating with each other, and which are adapted to be mounted to the seal assembly in surrounding, radially-spaced relation to a pair of annular sealing members of the seal assembly to transmit heat energy toward or away from the seal assembly. The heat exchanger includes a median cylindrical wall formed of relatively high thermal conductivity metal. Inlet means are provided which lead only to the outer concentric chamber. Outlet means are provided which lead only from the outer concentric chamber. The inlet means and the outlet means permit the passage of heat transfer medium therethrough. The inner concentric chamber has the sealed fluid therein in contact with the annular sealing members. The outer concentric chamber is in direct heat transfer relation to the inner concentric chamber through the median cylindrical wall. This heat exchanger acts to transmit heat either away from or towards the seal assembly to affect the operating temperature of the sealing members so as to achieve optimum sealing efficiency and/or longer seal life.

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