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Class 184/6.12 - Gearing


Subclass of Class 184 - Lubrication
Definition: Device having means for lubricating a gear surface or a
No. of patents: 400
Last issue date: 02/07/2012


1                    
NumberTitleIssue Date
8109366Lubricating structure for static hydraulic continuously variable transmission
A lubricating structure for a static hydraulic continuously variable transmission includes a central oil path axially formed at a center of a shaft of the transmission. A circumferential oil path is arranged at an inner circumferential part of a retainer between the...
02/07/2012
8079445Transmission
A transmission has a rotating shaft, a coupling sleeve fixedly coupled to the rotating shaft to rotate with the rotating shaft and a variable speed gear mounted on the rotating shaft. The variable speed gear is configured to rotate on the rotating shaft when a clutc...
12/20/2011
8047332Direct grease injection for large open gearing
A drive gear includes a plurality of internal radial channels extending between the axial bore and the periphery of the gear, and an axial bore includes a lubricant distribution structure therein to provide lubrication where the teeth of the drive gear mesh with the...
11/01/2011
8020665Lubrication system with extended emergency operability
A lubrication system, includes an auxiliary lubricant tank 48 and a supply conduit 58 extending from a source of lubricant 26 and through the auxiliary lubricant tank. A portion of the conduit resides within the tank and has an opening 136
09/20/2011
7987946Tropicalized petroleum sector cut-off valve gear box system and decontamination method for gear boxes
A tropicalized petroleum sector cut-off valve gear box system and its respective method of application are described. The system involves the conversion of any gear box model with cut-off valves used in the petroleum industry, into tropicalized gear boxes, so as to ...
08/02/2011
7984791Oil discharge structure of baffle plate
An oil discharge structure of a baffle plate for discharging oil from a space of a gear side to a space of a transmission side with a space-saving design is provided. A slit is formed in a side face plate facing a final gear of a case side baffle plate to discharge ...
07/26/2011
7980361Lubricating system and lubricating method
A lubricating system is adapted to supply lubricating oil to a lip portion of an oil-seal member for preventing the lubricating oil from leaking out of a case. The lubricating system includes a rotating member, a bearing, a scraping member, and a guiding section. Th...
07/19/2011
7980360Transmission system
A transmission system is equipped with rotating member(s) and a shaft member upon which the rotating member(s) is/are carried. A projecting support portion projecting inwardly and supporting the shaft member is formed in the casing of the transmission system with at...
07/19/2011
7975804Lubricating structure for transmission
A lubricating structure for a transmission includes an axial hole formed penetrating through a gear shaft in an axial direction thereof and having a first opening at one axial end of the gear shaft for supplying therein a lubricant and a second opening at the other ...
07/12/2011
7958969Transfer device for vehicle
A transfer device for a vehicle includes a casing, a cylindrical input shaft supported by the casing, a first end of the input shaft engaging with a driveshaft, an output shaft supported on an internal surface of a second end of the input shaft and engaging with the...
06/14/2011
7954599Gear mechanism with controlled device for generating a rarefied atmosphere
A gear mechanism comprising at least two toothed parts accommodated in a casing, a storage tank that stores oil to be injected into each meshing zone of the at least two tooth parts, a first receptacle built into the casing for receiving oil, a second receptacle tha...
06/07/2011
7918315Differential transmission with cleaning feature
A limited slip differential transmission of the closed type in which a pressurized lubricant is fed to the rotating gears and a series of limited slip clutch plates. The clutch plates are engaged by pressurized control fluid. A valve assembly having a spool valve is...
04/05/2011
7913816Transaxle with brake
A transaxle has an axle, an input shaft drivingly connected to a prime mover and a brake disposed around the input shaft so as to brake the input shaft. A reduction drive train is drivingly interposed between the input shaft and the axle. The transaxle also has a re...
03/29/2011
7909140Lubricating structure of planetary gear mechanism
There is provided a lubricating structure of a planetary gear mechanism which can simplify the outer shape of an introducing section formed by an oil catch plate, for introducing lubricating oil, and ensure a high degree of design freedom. In a double pinion type pl...
03/22/2011
7905326Method for lubricating wave reduction gear, and rotating table device
A wave reduction gear (5) is disposed inside a device case (2) of a rotating table device (1). Lubrication oil is sprayed from an oil supply channel (22), which is formed in the device case (2), toward an oil supply hole (22...
03/15/2011
7882932Helicopter transmission
There is described a transmission for a helicopter, the transmission having a movable transmission member; a casing housing the movable member; lubricated supporting means for supporting the movable member inside the casing and for rotation about an axis; and feed m...
02/08/2011
7878304Gearbox arrangement for a vehicle
A gearbox arrangement comprising a main gearbox portion, a first gearbox section, and a second gearbox section. The first gearbox section comprises a differential assembly, wherein the differential assembly comprises a ring gear. The ring gear rotates about an axis....
02/01/2011
7861827Oil manifold for lubricating bearings
A bearing oil supply assembly includes (a) a plate member with opposed first and second sides, the plate member having a first bore formed in the first side which is adapted to receive a first bearing; (b) an annular manifold attached to the plate member such that t...
01/04/2011
7845470Lubricating device
A lubricating device for gear trains (10), especially for wind power stations, includes at least two gear stages (16,18) that are disposed next to each other and are effectively interconnected, and a lubricant circuit (20) into which at least on...
12/07/2010
7823696Gear unit and lubricating oil splash preventing method
A gear unit is basically provided with a gear and a unit case. The gear is arranged and configured to transfer rotation inputted from an external source to at least one driven member. The unit case defines an interior space for enclosing the gear and containing a lu...
11/02/2010
7815016Lubrication control system for automatic transmissions
An automatic transmission lubrication control system includes a modulating, spring biased spool valve and feedback circuit. One end of the spool valve is supplied with line pressure hydraulic fluid. The valve spool modulates a flow of lubricating hydraulic fluid fro...
10/19/2010
7806234Lubricant delivery systems and methods for controlling flow in lubricant delivery systems
Embodiments are directed to lubricant delivery systems and methods. In one embodiment, the system comprises a lubricant feeder; a pipe comprising at least one nozzle; and at least one lubricant flow outlet extending upwardly from the nozzle. The nozzle comprises at ...
10/05/2010
7789201Gear unit and method for controlling an internal pressure in the gear unit
The invention relates to a gear unit, in particular for foundation engineering devices, comprising a gear housing and a pressure device for changing an internal pressure present in the gear housing. For a precise pressure balance to the environmental pressure it is ...
09/07/2010
7766126Thermal valve assembly stand tube
An integral stand tube for regulating fluid level within a transmission is provided. The stand tube includes an upper opening, at least one lower opening, and an internal volume defined by at least one internal passage for directing fluid from a valve body-side of a...
08/03/2010
7753173Power divider for motor vehicles and lubrication thereof
A power divider for motor vehicles includes a housing, a primary shaft and a secondary shaft, wherein a friction clutch having an outer part that is rigidly connected to the primary shaft, and an inner part, derives torque from the primary shaft and delivers the tor...
07/13/2010
7748499Lubrication flow control mechanism and method
A lubrication flow control mechanism for a power transmission includes a bearing member and a spring biasing the bearing member in a direction. The bearing member and the spring cooperate to sufficiently restrict flow past the bearing to cause increased fluid flow t...
07/06/2010
7743888Transmission and transfer case having integrated lubrication systems
In a driveline for a motor vehicle that includes an automatic transmission having an output shaft that drives a transfer case, an oil sump located in the transfer case, a pump supplied with fluid from the first sump, delivers fluid to a lubrication circuit in the tr...
06/29/2010
7694780Pump for transfer case
The present invention is directed to a pump arrangement for use in a gear box housing. The interior surface of the gear box housing has a collection wall arranged in the interior surface of the housing. A shaft is rotatably disposed through the gear box housing and ...
04/13/2010
7686137Oil separating structure of automatic transmission
There is provided an oil separating structure of an automatic transmission, which makes it difficult for an oil strainer of an oil pump to draw oil containing air bubbles. A baffle plate base separates a space around the oil strainer and a space around a driven spro...
03/30/2010
7481298Lubricating structure of hydrostatic continuously variable transmission
A lubricating structure for a hydrostatic continuously variable transmission. The structure includes an oil path arranged at an outer circumferential side of a clutch valve, and a lubricant oil ejection hole communicating with the outer circumferential side oil path...
01/27/2009
7461720Automatic transmission oil leak prevention device
An oil leak prevention device of an automatic transmission can minimize oil leaks by reducing scatter of ATF in an upward direction during revolution of a differential gear. The device includes an oil plate installed on the scattering path of automatic transmission ...
12/09/2008
7428949Support winch with grease supply
The invention describes an arrangement of lubricating grease inside the housing of a gear unit with rotatable components, particularly the gear unit of a jack. It also describes a grease pouch for receiving lubricating grease and a method for lubricating the gear un...
09/30/2008
7421921Parallel axes type automatic transmission
A parallel axes type automatic transmission including a first input shaft having m or more (m is an integer not less than 2) wet multiplate clutches and drive gears rotatably mounted, a second input shaft having n or more (n is an integer greater than m and not less...
09/09/2008
7416504Lubrication plug
In an off-highway vehicle having an electric propulsion system which includes a motorized wheel, a traction motor and a transmission for transmitting power from the traction motor to the motorized wheel, wherein the transmission comprises a reduction stage, a low sp...
08/26/2008
7399253Washer and planetary gear set having the same
A washer and a planetary gear set having the same, wherein the washer includes a first washer member and a second washer member. The first washer member is formed at a surface thereof with a plurality of first stepped portions each having a radially extending concav...
07/15/2008
7399247Sun gear bushing and sleeve and method for sealing in a hybrid electromechanical automatic transmission
The present invention details a sleeve and bushing of an electromechanical automatic planetary transmission. The sleeve and bushing operate to confine the desired flow of transmission lubricant through the components of the planetary gear arrangement. Additionally, ...
07/15/2008
7374507Lubrication system for differential mechanism
A differential assembly includes a housing defining a space containing a volume of hydraulic fluid, the housing including interior surfaces. A gear that rotates in the housing includes surfaces that pass through the fluid as the gear rotates and on which the fluid i...
05/20/2008
7367429Device for feeding oil to a bearing seat of a rotatable shaft
A device for feeding oil to a seat of a bearing (5) that supports a rotatable shaft (3) includes an annular oil reservoir (14) surrounding a seat of the bearing (5), an oil pump (8) having two spindles (10, 11) with opposite...
05/06/2008
7353733Transmission apparatus for automobile or the like
A transmission apparatus for an automobile or the like includes: a transmission gear mechanism including, therein, a speed-reducing small gear at an axial one side of an intermediate shaft; a final driving mechanism including, therein, a speed-reducing large gear at...
04/08/2008
7340974Spindle gear for an adjusting device in a motor vehicle seat
A spindle gear for a motor vehicle seat adjusting device having a housing, a spindle nut, a spindle and a worm wheel. The spindle nut may have an external bearing surface and a bearing shell may include an internal bearing surface cooperating with the external beari...
03/11/2008
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