Having Felt Or Wick Patents (Class 384/214)
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Patent number: 7927017Abstract: Bearing assembly that is of integral construction or manufacture and is capable of internal lubrication. The all metal construction gives a long lasting, easily installable, easy to lubricate, smooth ride bushing assembly.Type: GrantFiled: January 15, 2008Date of Patent: April 19, 2011Assignee: Howe Racing EnterprisesInventor: Kelly Molenaar
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Patent number: 6398415Abstract: A bearing device for a rotary shaft is comprised of a porous sliding bearing and a felt ring fit around the sliding bearing. The sliding bearing and the felt ring are filled with lubricant oil. The felt ring is made of needle-punching polypropylene fibers of 0.4-20 micrometers in diameter. The felt ring is manufactured by shaping the polypropylene fibers into a felt sheet, heat-treating the felt sheet to eliminate fuzz from the sheet surfaces, and punching the felt sheet in a ring shape. The sliding bearing has a plurality of grooves on its outer peripheral surface with which the felt ring contacts. Each groove is formed to extend in a horizontal direction to restrict the lubricant oil from flowing downward.Type: GrantFiled: March 30, 2000Date of Patent: June 4, 2002Assignee: Asmo Co., Ltd.Inventors: Hiromitsu Ibe, Hisashi Sakakibara, Shigeru Morishita, Kazushi Gotou, Yousuke Natsume, Hiroto Kawai
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Patent number: 5710468Abstract: An end frame assembly for an electric motor is described. In one embodiment, the assembly includes an endshield, a bearing, an oil wick, and an oil well cover. The oil well cover has at least one endshield engagement tang for aligning with and being secured within an oil well cover engagement opening in the endshield and at least one bearing alignment finger for assisting in maintaining the bearing oriented with respect to a rotor shaft.Type: GrantFiled: August 23, 1995Date of Patent: January 20, 1998Assignee: General Electric CompanyInventors: Ralph E. Church, Richard W. Shuler
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Patent number: 5447376Abstract: A self contained, "package", bearing system, has relatively rotating and sliding, precisely formed, truncated spherical, journal and bearing surfaces with a high hardness and with a low surface roughness, that operate on a thin hydrodynamic film of pressurized lubricant, when the bearing system is operated under any combination of axial and radial loads. It optionally contains either a supply of dry lubricant, or normally a capillary supported, self-contained reserve of fluid lubricant, and a system of "internally discharging" throwers, for keeping the fluid lubricant within the system, to promote a long operating life.Lubricant re-circulation channels at the ends of the bearing and the inherently lower rates of flow of lubricant from the ends of truncated spherical bearings facilitates achieving long operating life. Grooves and recesses are optionally included in the bearing surfaces for enhancing the axial load capacity.Type: GrantFiled: December 13, 1993Date of Patent: September 5, 1995Inventors: Eldon R. Cunningham, deceased, Shirley J. Cunningham, personal representative
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Patent number: 5129737Abstract: A plastic bracket and bearing assembly for a shaft of a fractional horsepower electric motor which includes a molded heat insulating plastic article having two or more feet attachable to the motor and spaced outwardly from a central hub having a recess for receiving a washer-shaped lubricating wick of fibrous material, spaced passageways in the bracket to provide oil to the wick, and a spherical self-aligning bearing block with a bore for supporting the motor shaft.Type: GrantFiled: January 28, 1991Date of Patent: July 14, 1992Assignee: G. H. Stenner & Co.Inventor: Gustav H. Stenner
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Patent number: 5108199Abstract: A motor bearing system is provided in which a motor shaft is received by a bearing which is circumferentially engaged by a first lubricating felt washer. A second lubricating felt washer is received by a retaining cup opposite the first lubricating felt washer, with a motor bracket interposed therebetween. The second lubricating felt washer is forced into contacting engagement with the first such washer by means of pins extending from the retaining cup and passing through apertures within the end bracket. Accordingly, the effective lubricating reservoir is significantly increased and the integrity of the lubricating reservoir is maintained.Type: GrantFiled: December 17, 1990Date of Patent: April 28, 1992Assignee: Ametek-Lamb ElectricInventor: Mark K. Dwyer
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Patent number: 4910424Abstract: A dynamoelectric machine comprises a housing (H), a rotatable shaft (S) installed in the housing and a bearing (B) in which the shaft is journaled. The bearing is installed in the housing adjacent each end wall (W) thereof. A bearing retainer (3) fits over the bearing and contacts an inner portion (7) of the end wall to hold the bearing in position. The retainer includes fingers (21) for self-aligning the retainer with the bearing and for maximum control and flow of lubricant along each end and outer surface of the bearing.Type: GrantFiled: October 7, 1988Date of Patent: March 20, 1990Assignee: Emerson Electric Co.Inventor: Gary W. Borcherding
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Patent number: 4910788Abstract: There is provided according to the invention a slide bearing unit in which a cylindrical outer cylinder which is made of thin steel plate is disposed on outer periphery of an oil-impregnated bearing metal with a certain distance; an oil-impregnated bearing metal is held either by a section formed by bending ends of the outer cylinder inwardly or an annular member used in cooperation with the sections formed by bending inwardly; a gap formed inside is filled with an oil-storage material so that the oil-impregnated bearing metal is supplied with a lubricating oil; and either the section formed by bending inwardly or the annular member may be provided with a small hole in order to by-pass internal pressure, when required.Type: GrantFiled: January 25, 1989Date of Patent: March 20, 1990Inventor: Rikuro Shimizu
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Patent number: 4634298Abstract: A self-aligning bearing assembly particularly suited for use in a fractional horsepower electric motor includes a bearing having a partially spherical outer surface and a central hole for rotatably journaling a shaft therein. A housing defining a generally cylindrical opening having an internal surface which is radially spaced from the bearing, also defines a bearing seat adjacent to and conforming in shape with a portion of the outer surface of the bearing. The housing further includes a lip extending radially inward from the internal surface of the cylindrical opening. A spring bearing retainer of resilient flexible sheet-like material and having a generally planar body is inserted into the cylindrical opening. The retainer includes a plurality of radially deformable projections which extend outwardly from the body and has a central aperture for engagement with a second portion of the outer surface of the bearing.Type: GrantFiled: August 14, 1985Date of Patent: January 6, 1987Assignee: A. O. Smith CorporationInventor: Bradly A. Crawford
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Patent number: 4594009Abstract: A casing for porous self-aligning bushings combines in a single assembly formed from an elastic material all of the members which contribute to hold a bushing in position while allowing it to self-align, fits hubs of any configuration, provides insulation from noise and vibration, recovers lubricant normally expelled during relative rotation between the bushing and shaft therein. The casing can store up an amount of lubricant and, in the instance of a bushing rotating around a stationary shaft, retains the lubricant which would otherwise be forced out by centrifugal force from the outer porous surface of the bushing. A bearing includes such casing and the bushing elastically fitted therein.Type: GrantFiled: July 13, 1983Date of Patent: June 10, 1986Assignee: European Electric Motors Design and Engineering AnstaltInventor: Giorgio Gutris