Abstract: A retainer device is for a seal assembly for sealing between a shaft rotatable about a central axis and a housing having a bore. The seal assembly includes at least one annular seal disposed within the housing bore and about the shaft and at least one spring for biasing the seal along the axis. The retainer device includes a generally annular body disposeable within the housing bore so as to be spaced axially from the at least one seal. The body is coupleable with the housing such that the body is generally nonrotatable about the central axis and includes at least one retainer lug extending at least generally axially from the body. The lug is engageable with the seal to prevent angular displacement of the seal about the axis. The body has at least one generally radially-extending spring contact surface contactable by an end of the at least one spring.

Abstract: A telemetry unit for high speed shafts includes a metallic annular carrier having an inner circumferential surface defining a bore, for receiving a shaft or sleeve to rotatably couple the telemetry unit with the shaft, an outer circumferential surface, opposing axial ends, and interior cavities. An annular insulator formed of an electrically insulative material has an inner circumferential surface disposed about the carrier outer surface, an outer circumferential surface, and opposing axial ends. A generally circular antenna is disposed circumferentially about the insulator outer surface and an annular retainer is disposed about the insulator outer surface such that the antenna is generally sandwiched between the retainer and the insulator to generally fix the antenna relative to the carrier. The carrier engages a portion of the insulator outer surface to prevent radially-outward displacement of the insulator when the telemetry unit rotates about the axis.

Abstract: A telemetry unit for high speed shafts includes a metallic annular carrier having an inner circumferential surface defining a bore, for receiving a shaft or sleeve to rotatably couple the telemetry unit with the shaft, an outer circumferential surface, opposing axial ends, and interior cavities. An annular insulator formed of an electrically insulative material has an inner circumferential surface disposed about the carrier outer surface, an outer circumferential surface, and opposing axial ends. A generally circular antenna is disposed circumferentially about the insulator outer surface and an annular retainer is disposed about the insulator outer surface such that the antenna is generally sandwiched between the retainer and the insulator to generally fix the antenna relative to the carrier. The carrier engages a portion of the insulator outer surface to prevent radially-outward displacement of the insulator when the telemetry unit rotates about the axis.

Abstract: A retainer device is for a seal assembly for sealing between a shaft rotatable about a central axis and a housing having a bore. The seal assembly includes at least one annular seal disposed within the housing bore and about the shaft and at least one spring for biasing the seal along the axis. The retainer device includes a generally annular body disposeable within the housing bore so as to be spaced axially from the at least one seal. The body is coupleable with the housing such that the body is generally nonrotatable about the central axis and includes at least one retainer lug extending at least generally axially from the body. The lug is engageable with the seal to prevent angular displacement of the seal about the axis. The body has at least one generally radially-extending spring contact surface contactable by an end of the at least one spring.