Pipe joints or couplings – With casing – lining or protector – Insulated
Patent
1991-11-19
1992-12-01
Reese, Randolph A.
Pipe joints or couplings
With casing, lining or protector
Insulated
285 49, 285163, 285235, 60322, 181222, F16L 5900
Patent
active
051674300
ABSTRACT:
A flexible coupling for connecting an engine manifold to an exhaust pipe to relieve torque. Concentrically spaced flexible tubes, which have insulation filling the annular space between them, are connected to inlet and outlet tubes having interior ends located between the ends of the flexible tubes. The inlet and outlet tubes have enlarged upstream ends and smaller downstream ends. By overlapping the ends of the inlet and outlet tubes, the tubes are able to have relative angular movement when the flexible tubes bend due to engine torque. One or more separate tubes which also have enlarged and smaller upstream and downstream ends may be provided to overlap with the inlet and outlet tubes to allow bending of longer couplings.
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Aberle Timothy
Manville Corporation
Quinn Cornelius P.
Reese Randolph A.
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