| Patent application number | Description | Published |
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| 20090005478 | LIQUID STYRENATED PHENOLIC COMPOSITIONS AND PROCESSES FOR FORMING SAME - Disclosed herein are highly stable styrenated phenolic compositions that are liquids at room temperature, and polymer articles and lubricant compositions containing such styrenated phenolic compositions. Also disclosed are processes for forming such styrenated phenolic compositions, which processes afford distyrenated phenolics assaying at 70% minimum by total GC area, comprising reacting styrene with one or more phenolics, e.g., at least one of phenol, p-cresol and/or o-cresol, in the presence of an acid catalyst, preferably a sulfonic acid catalyst, at elevated temperature, wherein the resulting product mixture comprises one or more monostyrenated phenolics, one or more distyrenated phenolics, and one or more tristyrenated phenolics. | 01-01-2009 |
| 20100009875 | Liquid Additives for the Stabilization of Lubricant Compositions - A lubricating oil composition comprising: (A) a base stock; and (B) a liquid additive package. The liquid additive package comprises: (i) an alkylated diphenylamine; (ii) at least 5 weight % of a phenyl naphthylamine, based on the weight of the additive package; and (iii) a sulfur-containing phenol. | 01-14-2010 |
| 20100016196 | PHOSPHITE STABILIZER FOR LUBRICATING BASE STOCKS AND THERMOPLASTIC POLYMERS - A substituted phosphite suitable for lubricating base stocks and thermoplastic polymers represented by the structure: | 01-21-2010 |
| 20100130396 | ANTIOXIDANT COMPOSITIONS - The invention relates to antioxidant compositions for lubricants and organic polymers comprising a first antioxidant comprising a reaction product of p-cresol, dicyclopentadiene and isobutylene; and a second antioxidant comprising a diarylamine. The first antioxidant preferably has the structure: | 05-27-2010 |
| Patent application number | Description | Published |
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| 20080240935 | Balanced variable displacement vane pump with floating face seals and biased vane seals - A vane pump assembly including a cam ring having an elliptical inner bore defining a hydraulic pumping chamber, the pumping chamber having an interior camming surface. The cam ring defines ports for admitting fluid into the pumping chamber. A rotor, within the cam ring, defines a plurality of radial vane slots. A vane assembly is supported in each vane slot to define vane buckets. Each vane assembly has an end dynamic vane seal for reducing leakage between the buckets. Front and rear side plates, separated by an annular spacer, enclose the pumping chamber. The pump assembly may also include floating front and rear rotor seals for reducing radially inward leakage. Each rotor seal is disposed within a groove formed in the rotor, wherein discharge pressure urges the rotor seals axially outward from the pumping chamber to create an effective seal against the respective side plate. | 10-02-2008 |
| 20080307782 | DRIVE WHEEL WITH AN INTEGRAL FAN FOR A HYDRAULIC POWER UNIT - A drive wheel with an integral fan mountable as a unit to a shaft of a hydraulic power unit for rotation therewith. Fan blades extending from the drive wheel circulate air when the drive wheel is rotated. One or more passageways extending through the drive wheel can be provided to allow air to flow axially therethrough to be circulated around the hydraulic unit. A fan assembly for a hydraulic power unit is also provided including a fan element and a rotatable shroud attached thereto. | 12-18-2008 |
| 20080310972 | INTEGRATED HYDROSTATIC TRANSMISSION ASSEMBLY - A hydrostatic transmission mountable to a vehicle frame as a unit. The hydrostatic transmission has a nose cup to which a motor module is mounted. Passageways in an end block connect the pump element and motor module in a closed loop. The end block also has passageways for connecting a charge pump to the closed loop for supplying make-up flow thereto. An isolation plug is provided for separating flow between two intersecting passageways in the end block. | 12-18-2008 |
| 20100316507 | Split discharge vane pump and fluid metering system therefor - A split discharge vane pump is disclosed having a pump body that includes an interior pumping chamber having a central axis and defining a continuous peripheral cam surface, the cam surface including four quadrantal cam segments, wherein diametrically opposed cam segments have identical cam profiles, and each cam segment defines an inlet arc, a discharge arc and two seal arcs. A rotor is mounted for axial rotation within the pumping chamber and a plurality of circumferentially spaced apart radially extending vanes are mounted for radial movement within the rotor, wherein the plurality of vanes define an equal number of circumferentially spaced apart buckets which extend between the rotor and the cam surface of the pumping chamber for carrying pressurized fluid. | 12-16-2010 |
| 20110024220 | MOUNTING OF HYDROSTATIC TRANSMISSION FOR RIDING LAWN MOWER - A hydrostatic transmission including a pump and motor connected by supply and return lines. The hydrostatic transmission can be an integrated unit mountable to a vehicle frame as a unit. The motor portion of the transmission is configured to be at least partially received within a wheel to which an output shaft of the motor can be directed connected. Accordingly, the output shaft of the motor can be configured to function as a wheel axle. | 02-03-2011 |
| 20110067934 | INTEGRATED HYDROSTATIC TRANSMISSION FOR LEFT AND RIGHT WHEEL DRIVE - A hydrostatic transmission mountable to a frame of a vehicle for driving a left side or right side drive wheel. A motor portion of the transmission can extend outwardly from the frame and a pump portion can extend upwardly from the frame. The motor portion can be configured to be at least partially received within a wheel for direct mounting of the wheel to an output shaft of the motor. The pump portion can include an input shaft extending from a lower side thereof for connection to a prime mover, such as an internal combustion engine. | 03-24-2011 |
