Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7611287 | Slide bearing A slide bearing for supporting a shaft and comprising at least one bearing shell for receiving the shaft. The bearing shell and the surface of the shaft define a bearing gap. Also described is a mechanism for supplying a lubricant to the bearing gap so that the lubr... | 11/03/2009 |
| 7413054 | Oil circulation retention system and method A bearing lubrication (oil circulation) system having a check valve configuration for preventing overflow of an oil reservoir or tank. The pressurized oil circulation system may comprise a pump that pressurizes oil from the tank and circulates the oil through a supp... | 08/19/2008 |
| 7252000 | Method and machine for rotor imbalance determination Correcting unbalance with regard to rotors (11, 101) and shafts is important in order to improve performance of those rotors (11, 101) or shafts within a practical machine or engine. Previously, result orientated iterative balancing of the rotor or sha... | 08/07/2007 |
| 7129601 | Apparatus for controlled movement of an element A method and apparatus for supporting a movable member (10) with respect to a fixed member (40) is provided. The movable member (10) includes a magnetically permeable portion (81) contained therein and magnetic element (50) fixedly... | 10/31/2006 |
| 7073630 | Fluid injection apparatus for fluid dynamic pressure bearing A fluid injection apparatus for a bearing includes a bearing support surface for supporting the bearing so that a seal space is defined between the support surface and the bearing, a fluid injection passage comprised of an oil tank, a first conduit connecting the oi... | 07/11/2006 |
| 6994473 | Grease replenishing device A grease replenishing device replenishes a grease-lubricated rolling bearing with a grease. The grease replenishing device has a storage chamber portion and a pressing member. The storage chamber portion stores the grease. The pressing member pushes the grease out o... | 02/07/2006 |
| 6976559 | Piston compressor, particularly hermetically enclosed refrigerant compressor The invention relates to a piston compressor, particularly a hermetically enclosed refrigerant compressor, with a crank drive, having a crank shaft with an eccentric crank pin and an oil channel arrangement, and a connecting rod with a first piston-side connecting r... | 12/20/2005 |
| 6966988 | Flushing adapter for filter An adapter is substituted for the filter-enclosing cap of a conventional in-line strainer device to permit introduction into a plumbing system of a flushing solution withdrawn from an independent supply. The adapter is typically used for introducing antifreeze into ... | 11/22/2005 |
| 6425689 | Bearing arrangement for supporting a movable component, in particular the crankshaft of an internal combustion engine A bearing arrangement for supporting a movable component, in particular the crankshaft, of an internal combustion engine, having at least one bearing for receiving the component and an oil feed line to each bearing, wherein a filter (5) is arranged in the... | 07/30/2002 |
| 6374950 | Lubrication and temperature control methods for a journal bearing system A lubricant is supplied to a bearing for a rotary shaft by an oil pump capable of discharging the lubricant at different flow rates depending upon its speed of operation. The oil pump is preliminarily operated to allow the user to derive and determine a r... | 04/23/2002 |
| 6223859 | Lubricant feeding system for shaft and hub profile assemblies with axial longitudinal displacement capacity A lubricant feeding system for shaft and hub profile assemblies that can move longitudinally along an axis. A first exterior assembly member (e.g., shaft or hub) encloses at least partly a second interior member (e.g., hub or shaft) along the circumferenc... | 05/01/2001 |
| 5733048 | Bearing system including lubricant circulation apparatus A bearing system includes a lubricant circulation apparatus to provide a continuous supply of lubricant fluid to a bearing device. The bearing device may be a hydrodynamic sleeve bearing having a bearing housing defining a sump for maintaining lubricant f... | 03/31/1998 |
| 5658137 | Vane rotator with conical bearing and brake A rotator includes an axle and an associated rotor component having lamellar vanes. A case component surrounds the rotor component. Chambers arranged symmetrically in relation to the axle are disposed between the lamellar vanes. These chambers are pressur... | 08/19/1997 |
| 5558446 | Bearing arrangement with gravity-fed lubrication A "pancake-like" thrust bearing arrangement with gravity-fed lubrication is angular to a horizontal plane and has a top edge above such plane. A load-support structure oscillates on the bearing. Such bearing has a lubricant feed aperture at the top edge a... | 09/24/1996 |
| 5498084 | Automatic transmission front-bearing oil-flow control and method of controlling same Means and method for restricting the flow of oil which passes between the front bearing and the main shaft of an automatic transmission for motorized vehicles. A gland is formed at the downstream end of the front bearing in either the inner surface of tha... | 03/12/1996 |
| 5022769 | Static bearing A static bearing, more particularly a static gas bearing, with a component to be journalled, which is movable with respect to a fixedly arranged bearing part. The bearing part is provided with one or more openings for the supply of a bearing medium betwee... | 06/11/1991 |
| 4983051 | Apparatus for supporting a rotating shaft in a rotary machine A rotary machine 10 includes a rotor shaft 40 and a support system 63 for the shaft. The support system includes a spring 68 and viscous damper 70. Means for removing oil from the damper at preselected rotor speeds is provided and in one embodiment permits ope... | 01/08/1991 |
| 4982126 | Auxiliary bearing having a graphite stator for a rotary shaft mounted on magnetic bearings The auxiliary bearing comprises a chromium steel rotor (2) mounted on the rotary shaft (1), a graphite stator (3) mounted on the frame (5) and disposed to face the rotor (2) and to leave clearance relative thereto which is narrower than the air gap in the... | 01/01/1991 |
| 4948270 | Oil flushing adapter An oil flushing adapter includes a pair of conduits which are connected at the same point to a bearing support at opposite sides of a rotor, and then pushed apart by an extension device to force the lower ends of the two conduits into sealing contact with... | 08/14/1990 |
| 4887914 | Aerostatic bearing with an adjustable stabilizing structure An aerostatic bearing with an adjustable stabilizing structure suitable to be applied to a linear sliding rail of a precision test instrument or a precision tool machine, etc., comprises a bearing body with a round or other shaped planes. The plane is fur... | 12/19/1989 |
| 4878820 | Screw compressor A screw compressor comprises a casing and a pair of male and female rotors respectively having herical teeth and grooves formed in their outer peripheries. The rotors are arranged within the casing in meshing relation to each other through the teeth and g... | 11/07/1989 |
| 4836334 | Lubricating device A device for supplying a lubricant to a mechanism, in particular a rolling bearing, comprising a container for holding a quantity of lubricant which at its lower edge is provided with a discharge channel for the lubricant and wherein a spring-loaded pisto... | 06/06/1989 |
| 4806075 | Turbomolecular pump with improved bearing assembly A single-ended turbomolecular vacuum pump operable in the free molecular flow pressure range having an improved bearing assembly located between the motor and the pump rotor discs is disclosed. The improved bearing assembly which is of the "plain" or "sle... | 02/21/1989 |
| 4758100 | Automatic lubricant metering apparatus An automatic lubricant metering device consists essentially of a housing (4), from inside of which a piston (5) is conveying a lubricant (15) through a feeder line (12) to the lubricating location (2) of a revolving shaft (1). The automatic feature consis... | 07/19/1988 |
| 4696585 | Bearing support system with controllable spring rate A control system for bypassing critical speeds in a high speed rotating turbine shaft supported by multiple journal bearings which includes pairs of apertures disposed in each bearing seat. The pairs of apertures are linked by fluid vent lines having valv... | 09/29/1987 |
| 4690572 | Static pressure gas bearing apparatus for turbocharger A static pressure gas bearing apparatus equipped with a static pressure gas bearing that can support in floated state the rotating shaft of the turbocharger to be placed on an internal combustion engine comprises an air pump device for pressurizing and su... | 09/01/1987 |
| 4624584 | Sliding journal bearing The bearing sliding surface of the sliding journal bearing is composed of two surface parts of two circular cylinders whose axes are located at a distance apart. A diametral plane defined by the two axes of these circular cylinders includes, together with... | 11/25/1986 |
| 4624586 | Bearing lubrication device A bearing for a large rotating shaft machine is subject to differing conditions of operations. In order to accommodate these differing conditions of operation, the lubricant flows throughout the bearings may have to be changed. The prior art method of cha... | 11/25/1986 |
| 4621931 | Method apparatus using a cavitating venturi to regulate lubricant flow rates to bearings A method and apparatus for regulating the flow of liquid lubricant to hydrostatic bearings is disclosed. A cavitating venturi is utilized to regulate the volume flow rate of liquid lubricant supplied to a bearing. The cavitating venturi acts to provide a ... | 11/11/1986 |
| 4455098 | Self-pumping thrust bearing for electric machines A self-pumping thrust bearing for electric machines having a vertical shaft is disclosed in which oil circulates through radially-extending bores in a rotating thrust ring to suck hot oil from an oil space and transfer it to a ring canal disposed in a sta... | 06/19/1984 |
| 4381127 | Sealed bearing The invention relates to the combination of a radial bearing 4,5;38,39 and a seal 14,17,21; 42,45,46 which both make use of elastomeric bushings 6,7,17,42,45 having a smooth cylindrical surface supporting a shaft (1,36) provided with helical grooves 10,11... | 04/26/1983 |
| 4307921 | Sleeve bearing A sleeve bearing for a split-angle connecting rod having a bearing surface including two opposed portions wherein the first portion is concentric with the journaled member during the loaded portion of a revolution and is defined by a constant radius which... | 12/29/1981 |
| 4215903 | Fluid-flow control valves Hydrostatic bearing arrangements in which there is a fluid-flow control valve adapted to exercise an automatic pressure responsive control over two fluid-flow outputs to a pair of bearings. The valve has a diaphragm located between two control surfaces fo... | 08/05/1980 |
| 3964805 | Dynamic fluid reservoir bearing A spiral groove bearing includes a dynamic lubricant reservoir internal to the bearing for providing a continuous flow of lubricant to the active portion of the bearing. The fluid pumping effect of the spiral groove bearing in association with a fluid pum... | 06/22/1976 |
