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A retaining ring system for a rotating electrical device such as a generator, motor, or condenser, including an auxiliary ring adapted to be removably mounted around the end portion of the rotor of the rotating electrical device bridging the rotor winding slots, and a retaining ring removably mounte

A retaining ring system for a rotating electrical device such as a generator, motor, or condenser, including an auxiliary ring adapted to be removably mounted around the end portion of the rotor of the rotating electrical device bridging the rotor winding slots, and a retaining ring removably mounted around the first ring. The retaining ring supports the amortisseur and the field end windings of the rotating electrical device. An external first taper defined by the auxiliary ring and an internal second taper defined by the retaining ring provide mating, continuous first and second tapered surfaces. The assembly process is begun by sliding or jacking the auxiliary ring onto the rotor. A high pressure feed fluid line defined in the auxiliary ring includes an inlet port and an outlet port opening at a circumferential groove between the mating first and second tapered surfaces between O-ring seals. For either assembly or disassembly, a high pressure fluid is sent between the first and second tapered surfaces sufficient to decrease the diametrical dimension of the first tapered surface of the auxiliary ring and to increase the diametrical dimensions of the second tapered surface of the retaining ring and thus to separate the auxiliary ring from the retaining ring devoid of the application of heat and also thus to allow either the mounting of the retaining ring to the auxiliary ring devoid of the application of heat or the disassembly of the retaining ring from the rotor devoid of the application of heat.

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A retaining ring system for supporting the field end windings of a rotating electrical device, comprising, in combination, first ring means adapted to be removably mounted by means devoid of the application of heat to the end portion of the rotor of the rotating electrical device and bridging rotor

A retaining ring system for supporting the field end windings of a rotating electrical device, comprising, in combination, first ring means adapted to be removably mounted by means devoid of the application of heat to the end portion of the rotor of the rotating electrical device and bridging rotor winding slots, the rotor having an axis of rotation, said first ring means being axially aligned with said axis of rotation, second ring means axially aligned with said first ring means removably around said first ring means, said second ring means being for supporting the field end windings and the amortisseur windings of the rotating electrical device, said first ring means being for supporting said second ring means and for connecting said second ring means to the rotor, first taper means defined by said first ring means, and second taper means defined by said second ring means, said first and second taper means being for providing continuous mating first and second tapered surfaces, respectively, between said first and second rings, said first and second ring means being removably mounted at said first and second taper means, high pressure feed fluid line means associated with said first ring means having an inlet port and having an outlet port opening at said mating first and second tapered surfaces, said inlet port being adapted to be connected to a source of high pressure fluid, sealing means positioned between said first and second tapered surfaces for containing said high pressure fluid, whereby when said inlet port is connected to said source of high pressure fluid which is thereupon activated and said high pressure fluid passes to said mating first and second mating surfaces within said sealing means with sufficient pressure to increase the outer diameter of said first ring means and the inner diameter of said second ring means at said second taper means and thus to separate said first and second taper means so as to allow either assembly or disassembly of said second ring means to or from said first ring means devoid of the application of heat.