Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7789202 | Orientation and gravity insensitive in-casing oil management system for fluid displacement devices, and methods related thereto Disclosed is a pressurized internal oil management system, comprising an oil dam, at least one oil separator, at least one oil collection manifold, at least one oil pump, and one or more paths for returning the separated oil; said system integrated within the casing... | 09/07/2010 |
| 7530430 | Pressure lubrication for inverted flight A gravity controlled lubrication system for aircraft engines to supply a lubricant from a tank to a circulating system permitting lubricant to flow when the aircraft changes to an inverted flight condition. ... | 05/12/2009 |
| 7506724 | Active gas turbine lubrication system flow control A lubrication system is provided for an aircraft turbine machine, the lubrication system being controlled by a closed-loop logic arrangement, wherein the oil pressure of a lubricant circulated therein is monitored and altered according to attitude data, acceleration... | 03/24/2009 |
| 7178424 | Pinion unit in axle assembly An axle assembly includes an axle housing having a main body and defining an internal cavity. The axle housing includes a first and second opening defined in the main body and adapted to support a first and second differential bearing respectively. A differential as... | 02/20/2007 |
| 7174997 | Failure tolerant passive lubrication system An auxiliary lubrication system for an aircraft turbine engine includes a reservoir 32 of lubricant 50 and a venturi 42 to suction lubricant out of the reservoir and direct an lubricant mist at a bearing 24 or other component requiring lu... | 02/13/2007 |
| 7137590 | Lubricating installation for rocking power transmission box An installation includes at least a pressurized lubricating circuit for elements housed in the rocking crankcase, each circuit including a radial transfer bearing between two opposite cylindrical journals coaxial about the rocking axis, one fixed journal on a fixed ... | 11/21/2006 |
| 7131421 | Oil pan of internal combustion engine The oil pan includes an oil introducing portion that has an oil introducing plate. The oil introducing plate has an insertion hole for receiving a sucking portion of an oil strainer. The oil introducing plate extends from the periphery of the insertion hole toward a... | 11/07/2006 |
| 7077089 | Oil drainback system for internal combustion engine An internal combustion engine having an oil drainback passage and integral check valve. The oil drainback passage allows the flow of oil from the valve box to the crankcase of the engine during normal operation and prevents the backwards flow of oil from the crankca... | 07/18/2006 |
| 7069147 | Airborne based monitoring A weather monitoring and prediction system that uses a fleet of aircraft to obtain data. Each aircraft has a local air data system that facilitates the measurement, recordation, and transmittal of local atmospheric data such as barometric pressure, and the correspon... | 06/27/2006 |
| 7021425 | Closed type electric compressor A sealed electric compressor for use in, for example, an electric refrigerator, generates a little noise and can feed any moving part of its compressing element with refrigerator lubricant. An oil pickup tube is joined by insertion to the lowermost end of a crank sh... | 04/04/2006 |
| 6964320 | Lubrication arrangement for final drive unit A final drive unit for a motor vehicle includes a carrier housing integrally formed with a final drive housing and provided to store a lubricating oil therein, a pinion drive shaft rotatably supported within the final drive housing by a pair of bearings, an oil supp... | 11/15/2005 |
| 6937937 | Airborne based monitoring A weather monitoring and prediction system that uses a fleet of aircraft to obtain data. Each aircraft has a local air data system that facilitates the measurement, recordation, and transmittal of local atmospheric data such as barometric pressure, and the correspon... | 08/30/2005 |
| 6691830 | Device for lubricating a power gearbox with a variable orientation, particularly for a convertible tilt-rotor aircraft A device for lubricating a power gearbox having a variable orientation and a closed space has a lubricating unit that supplies lubricant to at least one element of the gearbox, which needs to be lubricated. A collecting reservoir collects lubricant from t... | 02/17/2004 |
| 6662904 | Friction engagement element with lubrication A lubricating apparatus, for a friction engagement element that engages a rotatable member with a case includes a hub connected to the rotatable member, friction members disposed between the hub and the case, a hydraulic servo for engaging the friction me... | 12/16/2003 |
| 6463819 | Uninterruptible oil supply system An oil supply system supplies oil under pressure to a bearing or journal enclosure during normal positive gravity conditions as well as negative gravity and zero gravity conditions. A closed oil storage tank containing a volume of oil below a gas filled h... | 10/15/2002 |
| 6394061 | Lubricating system in a 4-cycle engine An oil reservoir chamber, a crank chamber and a valve-operating chamber are provided in an engine body. The oil reservoir chamber and the crank chamber are in communication with each other through a through-hole, and the crank chamber and the valve-operat... | 05/28/2002 |
| 6283084 | Four-stroke cycle internal combustion engine A four-stroke cycle internal combustion engine comprises a connecting rod which has an oil dipper at a big-end thereof, a crankcase, a partition wall which surrounds the connecting rod to provide a separation between the crankcase and an oil reservoir and... | 09/04/2001 |
| 6170456 | Lubricating device for four-stroke engine A lubricating device for four-stroke engine consists of a cylinder block, a crankcase, an oil sump, a piston, a crankshaft, a connecting rod and an oil dipper, the crankcase contains an upper crankcase body and a lower crankcase body, the bottom of the cr... | 01/09/2001 |
| 6167990 | Lubricating device for four-stroke engine An improved lubricating device for a four-stroke engine which permits the engine to operate upside down for a longer time and which has a better lubricating effect. This device comprises a first partitioning portion dividing the lubricating oil reservoir ... | 01/02/2001 |
| 6086343 | Sealed compressor mounted between horizontal and vertical A scroll compressor is mounted at an angle between vertical and horizontal. In this way, the overall height of the compressor is reduced compared to a vertical compressor. Thus, when only a smaller vertical size is available for mounting, the compressor w... | 07/11/2000 |
| 5975042 | Oil supply apparatus of a four-stroke-cycle engine An oil supply passage is provided for connecting an oil chamber with a valve chamber, an oil feed passage for connecting a valve chamber with a crank chamber, and an oil return passage for connecting the crank chamber with the oil chamber. The oil return ... | 11/02/1999 |
| 5960764 | Four-stroke internal combustion engine A four-stroke internal combustion engine in accordance with the present invention comprises a piston, a valve chamber, a crankcase, an oil chamber separated from the crankcase, and an oil mist feeding passage extending from the oil chamber to the crank ca... | 10/05/1999 |
| 5836421 | Lubricating system for internal combustion engines A lubricating system for an internal combustion engine maintains lubrication even in extreme emergency positions of the engine such as slants within the range of about 90° to about 270°, relative to the horizontal and even for upside down engine positio... | 11/17/1998 |
| 5770053 | Hydraulic equipment draining means A draining apparatus drains and dries hydraulic equipment such as aircraft circuits. The draining equipment includes a reservoir connected to the equipment by a suction line. (Venturi 20) which produces a vacuum in the reservoir responsive to compressed a... | 06/23/1998 |
| 5769047 | Engine with oil separator In order to remove oil from the engine, i.e. to evacuate lubricant oil from the crankcase (1), the crankcase and the rotating parts (6, 2, 3) therein are designed so that a centrifugal flow is generated in the crankcase (1) and is used to separate the eng... | 06/23/1998 |
| 5662080 | Engine crankcase Several embodiments of crankcase assemblies for internal combustion engines, wherein the crankcase is configured in such a way as to avoid the loss of oil at the pick-up device, even during sudden maneuvering. This is accomplished in such a way so that th... | 09/02/1997 |
| 5479886 | Engine oil capacitor An engine oil capacitor which allows a larger volume of oil to be used in an internal combustion engine without reducing fuel economy or increasing engine package size. Oil flow through the normal oil drainback holes is partially restricted, resulting in ... | 01/02/1996 |
| 5411116 | Self-scavenging, hybrid lubrication subsystem A self-scavenging, hybrid lubrication subsystem for a main transmission gearbox includes a sump fabricated as an integral extension of the lower portion of the gearbox wherein the sump dynamic fluid level is above the gearbox bottom. The interior sidewall... | 05/02/1995 |
| 5400889 | Clutch assembly with automatic oil level control system A clutch assembly for a vehicle with selective front wheel drive includes an automatic oil level control system. The clutch assembly includes a housing which encloses a hydraulic clutch. The hydraulic clutch, when engaged, connects a front wheel drive sha... | 03/28/1995 |
| 5238712 | Method of preparing an internal combustion engine for use with engine oil substantially free of metallic and chemical friction modifiers A process for converting the lubrication system of an internal combustion engine from a system using an oil containing metallic and chemical friction modifiers, to an oil substantially devoid of such modifiers. A solvent and a perfluoroethylene resin are ... | 08/24/1993 |
| 5072809 | Lubricating device for four stroke outboard motor A number of embodiments of outboard motors including dry sump lubricated four cycle internal combustion engines. The dry sump lubrication system includes a scavenge pump for drawing lubricant drained from the engine lubricating system through an inlet por... | 12/17/1991 |
| 5060759 | Compressor oil supply system In order to continuously supply lubricant to compressor bearings independent of attitude, and under varying gravitational forces, an oil supply system (10) includes an oil sump (14), a pump (22), and a suction tube (24). The oil sump (14) is defined at le... | 10/29/1991 |
| 5014819 | Oil pan structure for internal combustion engine An oil pan structure for the cylinder block of an internal combustion engine for storing lubricating oil in the oil pan. A volume body submergible at least partly below the oil level for displacing a volume of oil when the oil is titled by displacement to... | 05/14/1991 |
| 4995971 | Dual purpose automatic transmission oil pan A dual purpose automatic transmission oil pan (10) for covering transmission components (20,22) and containing a reservoir of oil in a sump portion (32). First and second drainback channels (34,36) extend to the sump portion (32) from spaced drain opening... | 02/26/1991 |
| 4974410 | Inverted flight valve An inverted flight valve between a scavenge pump intake and bottom and top drains of an oil sump in an engine of an aircraft having inverted flight capability, the valve including a valve body with a closed bore therein, a main port in the bore connected ... | 12/04/1990 |
| 4947963 | Oil supply reservoir Swirl vessel (14) located within oil tank (28) receives return oil (12) and delivers supply oil (10). The vessel is vented (50) to outside the oil tank. Surplus oil continuously drains (36) to the tank (10) interior. Make up oil from the tank is continuou... | 08/14/1990 |
| 4903798 | Hydraulic apparatus for an automatic transmission An intake adapter is provided on an oil intake opening formed in a transaxle casing. A tightly sealed space in communication with an oil pump is provided in the lower part of the transaxle housing, formed in such a manner that it can be opened by the remo... | 02/27/1990 |
| 4856273 | Secondary oil system for gas turbine engine A secondary oil system for a flight propulsion gas turbine engine having a vertical flight mode and a horizontal flight mode. The secondary oil system includes an annular secondary oil tank in a bearing sump of the engine adjacent a bearing to be lubricat... | 08/15/1989 |
| 4842100 | Lubrication system for automotive transmission pocket bearing The invention is directed to a transmission assembly comprising: a power output delivery end and a power input end; a pocket bearing operative between the power delivery end and the input end of the transmission; a lubricant containing housing remote from... | 06/27/1989 |
| 4768936 | Scroll compressor with oil pickup tube in oil sump In a high side scroll compressor, the motor is located above the scrolls and the oil sump and discharge gas are isolated from each other. The compressor can be used in an orientation that can range between vertical and at least 20° of horizontal.... | 09/06/1988 |
