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Reliance Electric Company Patents
Assignee:
Reliance Electric Company
Address:
Columbus, IN
No. of patents:
168
Patents:


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Patent Number Title Of Patent Date Issued
D273197 Variable speed belt drive March 27, 1984
D273116 Variable speed belt drive March 20, 1984
D273115 Variable speed belt drive March 20, 1984
D265986 Electronic enclosure cover August 31, 1982
5495160 Digital sine wave generator and motor controller February 27, 1996
Digital sinusoidal waves are generated using a method based on an error measuring algorithm used to generate a synthesized circle. X and Y waves are generated step-wise to follow the contour of a reference circle in the x-y plane by computing the mean square error at each step and using
5038892 Lubrication apparatus August 13, 1991
A standard grease fitting for the bore of a main shaft is replaced with an integral lube shaft rotatably supported within the main shaft bore with bearing assemblies. Snap rings hold two sealed bearings, spaced by a spacer element, against a stepped shoulder of the lube shaft, and axiall
5028151 Bearing assembly July 2, 1991
A bearing assembly suitable for use in a wet or harsh chemical environment including a support housing having a bore therein and a bearing insert received in said bore, exterior surfaces of said housing and interior surfaces defining said bore having tough, durable coatings of fluorocarb
5011301 Auxiliary sealing system April 30, 1991
An auxiliary sealing system generally includes a flexible sealing ring, with an optional restraining element, such as a metal band, secured therearound for further fastening same to a given circular member. Such circular member may comprise an extension of the inner race of a bearing
4976186 Control system for mechanically adjustable speed motor drives December 11, 1990
A control system for mechanically adjustable motor drives which have a shiftable speed control for controlling the speed of the drive. The system includes a double acting pneumatic cylinder which is remotely controlled to shift the speed control by varying the air pressure in the double
4928795 Lubrication apparatus May 29, 1990
A standard grease fitting for the bore of a main shaft is replaced with an integral lube shaft rotatably supported within the main shaft bore with bearing assemblies. Snap rings hold two sealed bearings, spaced by a spacer element, against a stepped shoulder of the lube shaft, and axiall
4875786 Snap-ring with pin release seal October 24, 1989
A carrier ring member is disclosed for holding one or more sealing devices in sealing engagement between a shaft and a bearing block, and having a snap-ring for maintaining the carrier member within the block. The snap-ring is held in its flexed condition to permit insertion of the c
4863291 Bearing assembly September 5, 1989
An improved modular bearing assembly capable of operation for radical and thrust loads under starved and flooded lubricant conditions with low power losses. A journal bearing alone may be employed or journal and thrust bearings. Thrust bearings per se are also disclosed and claimed.
4862053 Motor starting circuit August 29, 1989
An electronic starting circuit for a single-phase electric motor is disclosed in which the motor has a first, and possibly a second, main winding and has an auxiliary winding used for starting. The voltage across the auxiliary winding increases as the motor speed accelerates and is used
4846260 Cooling system July 11, 1989
This invention relates to a cooling system for industrial equipment such as, for example, controlled start transmission gear reducer. The cooling system comprises a fan disposed on the rotatable shaft of the equipment for rotation in either direction and a fan shroud disposed about the f
4832511 High efficiency seal devices for shaft bearings May 23, 1989
A seal system for a bearing having a housing with a chamber therein for receiving a shaft supported by a bearing assembly therein. The sealing system includes three and preferably four seal devices integrally related by means of a seal ring detachably retained within an exterior chamber
4791831 Gearmotor, housing and associated method December 20, 1988
A motor and associated gear system share an extended shaft axial with the motor. A rotor and a driving gear are attached to the shaft. Such an integral gearmotor concept minimizes coupling and sealing problems associated with prior art coupled motors and speed reducers. Particular ho
4789376 Gear type shaft coupling December 6, 1988
A gear-type shaft coupling for connecting shafts in an end-to-end relation, in which there are two hubs mounted on the ends of the shafts and sleeves disposed on the hubs and having internal gearing for meshing with external gearing on the hubs. A ring overlaps and connects the two sleev
4778000 Cooling system October 18, 1988
This invention relates to a cooling system for industrial equipment such as, for example, controlled start transmission gear reducer. The cooling system comprises a fan disposed on the rotatable shaft of the equipment for rotation in either direction and a fan shroud disposed about the f
4776709 Seal for shaft bearings October 11, 1988
A seal for a bearing having a housing with an opening therein for receiving a shaft in which a bearing assembly is mounted in the housing and has an inner race for receiving the shaft. A seal consisting of a ring having a radially extending, outwardly facing flat surface is disposed in t
4770065 Variable speed drive September 13, 1988
A mechanically adjustable variable speed drive includes an electric actuation apparatus which can be controlled by an analog embodiment or a digital circuitry embodiment. A speed change actuator is automatically and mechanically adjustable, such as with a controlled servomotor. A tac
4765760 Bearing assembly August 23, 1988
An improved modular bearing assembly capable of operation for radial and thrust loads under starved and flooded lubricant conditions with low power losses. A journal bearing alone may be employed or journal and thrust bearings. Thrust bearings per se are also disclosed and claimed. P
4763904 Sealing apparatus August 16, 1988
An auxiliary sealing system generally includes a flexible sealing ring, with an optional restraining element, such as a metal band, secured therearound for further fastening same to a given circular member. Such circular member may comprise an extension of the inner race of a bearing
4744783 Flexible shaft coupling May 17, 1988
A flexible coupling for connecting a driving shaft and a driven shaft together in an end-to-end relationship for transmitting power from the driving shaft to the driven shaft. Flexible coupling sub-assemblies which are balanced and aligned are provided between a center spacer member and
4738151 Pinion coupling April 19, 1988
A drive connection between a drive pinion and a motor shaft. The motor shaft has a longitudinal axial bore into which is force-fitted a pinion shaft which is preferably integral with the pinion. The pinion shaft is shorter in length than the length of the bore in the motor shaft and
4733146 Energy recovery system for cyclic drives March 22, 1988
A system is disclosed for recovering and storing the energy generated by an electrical motor during deceleration so as to be available for use when the motor is subsequently accelerated. The system utilizes a capacitor for storing the energy produced by voltage regeneration of the motor
4730951 Drive coupling March 15, 1988
This invention relates to a drive coupling for connecting an output shaft such as for a motor to an input pinion such as for a reducer. A coupling member which has an intermediate portion supported for rotation in bearings in a bracket which is mounted on a motor. The coupling member has
4723455 Mechanical variable speed drive February 9, 1988
An electric motor changes the output speed of a mechanically-adjustable variable speed drive apparatus by controlled bi-directional rotation of a shifting screw engaged with a centerpiece assembly. In general, the dry traction apparatus may be either of the single disk or double disk typ
4723053 Cable closure with strain relief device February 2, 1988
A strain relief device for resisting strain forces acting in a direction of pull-out of a cable relative to a cable closure, comprises a cable gripping member having at least two complementary jaw-like segments alignable for defining therebetween a tubular through opening sized for g
4698031 Center barrier for wire gripping devices October 6, 1987
A barrier for a wire gripping device of the type wherein a tapered jaw assembly is slideably mounted within a tapered tubular shell defining an axis and having an opening at one axial end thereof, and wherein a pilot cup is disposed in the end opening for surroundingly engaging a termina
4691290 Creep-compensated weighing apparatus September 1, 1987
A digital scale compensated for creep by first obtaining and storing a mathematical representation of creep as a function of time for the particular scale. The current "creep state" of the scale is continually calculated, stored and used to correct the current weight indication for c
4690009 Method and apparatus for producing pseudo - herringbone-type gears and gear produced thereby September 1, 1987
A method and apparatus for creating a matched set of pseudo herringbone-type gears from ordinary helical gears. Two cooperating shafts are provided with two helical gears on each which, when placed on the shaft, are oppositely angled with respect to one another, and which when combin
4687351 Means for securing a bearing to a shaft August 18, 1987
An apparatus for securing a bearing to a shaft comprises an inner race having a raceway disposed around the shaft for receiving the bearing elements; at least one annular end portion disposed around the shaft, extending axially from the raceway, and having a circumferentially continu
4676670 Bearing take-up frame June 30, 1987
A bearing take-up frame including a base assembly having a top plate permanently, pivotally secured thereto at one end and removeably secured thereto at an opposite end. A bearing block assembly is received between the base assembly and the top plate for guided axial adjustment with
4674894 Bearing lubrication device June 23, 1987
A bearing lubrication device for use in ring-oiled journal bearings and the like in which a generally circular ring member is eccentrically disposed around the rotatable shaft in the bearing assembly. The ring has an outer surface, right and left sides extending downwardly from the outer
4664598 Unitized quick-assembly fan May 12, 1987
A cooling assembly including a fan blade subassembly for receipt about a drive shaft and a protective shroud secured to the fan blade subassembly for rotation therewith.
4657097 Load cell April 14, 1987
Load cells incorporating one or more gaged beams as the load sensing elements are compensated for off-center loading in the longitudinal and/or lateral directions. The load cell may also include one or more flexure arms extending parallel to the beam. The relative position of the gages
4652070 Insulation displacement connector terminal block March 24, 1987
There is disclosed a connector block for establishing connections with insulated electrical conductors capable of being stripped. The block as a number of projections. Mounted in each projection is a connector of the insulation displacement type. Associated with each projection is an
4648017 Control of a series resonant converter March 3, 1987
A series resonant converter is interposed between an unregulated voltage source and an output circuit. The converter employs a pair of power switches each, when on, completing a series resonant circuit from the source to a resonant tank circuit including the primary winding of a tran
4646395 Cable clamp, body portion therefore and method of manufacturing same March 3, 1987
A clamp for electrical cables including a body portion of stamped metal. The body portion has two end walls extending at right angles to the base. At least a first pair of arms spaced intermediate along one edge of the base. The arms also extend outward at essentially right angles to the
4636778 Brush wear monitor January 13, 1987
A brush wear monitor system for dynamoelectric machines includes a sensor imbedded in a brush to provide a signal indicating a predetermined amount of brush wear. The brush wear signal is provided through an isolation network to an indicator circuit. The indicator circuit includes a firs
4631353 Terminal pedestal for buried cable installation December 23, 1986
A pedestal-type closure for use as a buried telephone cable terminal closure comprises a rear section and upper and lower front covers, each of which is formed from the same basic plastic extrusion. The covers and the rear section are secured in edge-to-edge relationship. The upper ends
4624597 Flanged bushing mounting adaptor November 25, 1986
A flanged bushing mounting adaptor for use in mounting a flanged bushing in the hub of a shaft-mountable structure, the hub having a tapered bore with recesses formed therein, and the bushing having a tapered barrel and a flange with threaded and unthreaded holes therein. The adaptor has
4605275 Modular encapsulated cross-connect terminal unit August 12, 1986
A terminal unit which is both modular and encapsulated is disclosed. The cable stub and cross-connect blocks are connected to the unit. The unit contains hinged panels on which the cross-connect blocks are mounted. The stub pairs are wired to the rear of the blocks. The rear of the block
4604888 Cable clamp, body portion therefor and method of manufacturing same August 12, 1986
A clamp for electrical cables including a body portion of stamped metal. The body portion has two end walls extending at right angles to the base. At least a first pair of arms spaced intermediate along one edge of the base. The arms also extend outward at essentially right angles to the
4600066 Load cell apparatus July 15, 1986
A scale plate with one or more load cell structures formed integrally therewith. Each load cell includes a flexure beam with strain sensing means mounted thereon and a fixed end merging with the plate. A support member has a free end and another end that is fixed to and merges with the
4595983 Central office powered credit only telephone paystation June 17, 1986
A credit only paystation for allowing a user to place telephone calls therefrom without having to use coinage coins. The paystation includes a reader to read the users credit information which may be encoded on the magnetic stripe of a conventional credit card. The paystation uses a
4587604 Power supply employing low power and high power series resonant converters May 6, 1986
A power supply is provided for supplying regulated power to an output from an unregulated DC voltage source. The supply includes low and high power series resonant converters, each including a pair of power switches which are alternately turned on and off for completing a series resonant
4585141 Locking system for flood cover April 29, 1986
A locking system for a flood cover having a rigid mouth. The system has a pair of oppositely opposed locking mechanisms. Each leg mechanism includes a stiff leg portion whose length is greater than the air space that would result if the closure over which the cover is to be placed were c
4584595 Arrangement of field effect transistors for operation in the switched mode at high frequency April 22, 1986
A circuit arrangement for FETs connected in parallel. In the arrangement the same electrode of N FETs (N>1) is connected by associated metallic conductors to a central conductor. A further metallic conductor is also connected to the central conductor. The shape of the central conducto
4575265 Seal for shaft bearings March 11, 1986
A seal for a bearing having a housing with an opening therein for receiving a shaft in which a bearing assembly is mounted in the housing and has an inner race for receiving the shaft. A seal consisting of a ring having a radially extending, outwardly facing flat surface is disposed in t
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