F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/15
F28F 9/02 (2006.01) F28F 9/26 (2006.01)
Patent
CA 1270242
ABSTRACT OF THE DISCLOSURE A high pressure heat exchanger assembly including an elongated shell having a supply end, a return end and fluid inlet and fluid outlet openings. An elongated bundle assembly is received within the shell. The bundle assembly includes a plurality of elongated tubes extending generally longitudinally through the shell. The fluid inlet and fluid outlet openings provide passage of a first fluid through the shell representing the fluid medium to be cooled. Dual tube sheet assemblies are positioned at each of the supply and return ends of the shell. The elongated tubes are received through the dual tube sheets. Each dual tube sheet assembly includes an inner tube sheet and an outer tube sheet which are securely affixed to each of the tubes within the bundle assembly to maintain a fluid tight seal therebetween. A plurality of spacers separate the inner and outer tube sheets to create a venting space therebetween which is open to the atmosphere. The dual supply end tube sheet assembly is solidly affixed to the shell assembly and the dual return end tube sheet assembly sealing abuts with the shell assembly. The dual return end tube sheet assembly is allowed to float with respect to the shell assembly to allow for thermal expansion of the tubes. A supply header and return header are solidly affixed to the respective outer tube sheets of the dual tube sheet assemblies for communicating a second fluid through the elongated tubes for cooling the first fluid medium. A resilient retaining means is utilized for biasing the return header and dual return end tube sheet assembly towards the shell assembly to counteract any opposite forces created within the shell assembly by use of a high pressue and temperature first fluid medium to be cooled.
504909
Baker Robert L.
Glauber Diane E.
Baker Robert L.
Glauber Diane E.
Joy Manufacturing Company
Macrae & Co.
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