Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| RE42706 | Airless spray pump An airless spray pump is provided with a single-acting piston pump which allows the use of a low-cost yoke drive. Motor and pump shaft are offset for most efficient force utilization. ... | 09/20/2011 |
| 7950323 | Shifting device for shifting a motor vehicle gear box A shifting device (1) for shifting a motor vehicle transmission with a shift selector shaft on which a plurality of shift elements (2) such as shift forks or shift rockers (3) are arranged and can be displaced to carry out a shifting operation. ... | 05/31/2011 |
| 7765916 | Lever with shifting fulcrum point A lever with a shifting pivot or fulcrum point such that in pivoting of the lever between a first position and a second position for at least one angular segment of such pivoting about a first fulcrum point and for a second angular sector of such pivoting, pivots ab... | 08/03/2010 |
| 7637203 | Air pump An air pump comprises a cylinder, a piston, a piston rod, three substantially rigid members, and a handle. The piston is reciprocably movable within the cylinder and is secured to the piston rod. The first member is pivotably connected at its first end to the cylind... | 12/29/2009 |
| 7610847 | Pump crosshead and connecting rod assembly A crosshead and connecting rod assembly for a pump comprises a connecting rod which includes a first end that is rotatably connected to the crankshaft of the pump, a second end that comprises a generally cylindrical configuration, and a shaft that extends between th... | 11/03/2009 |
| 7367305 | Internal combustion engine and connecting rod therefor A connecting rod of an internal combustion engine, and an internal combustion engine including the connecting rod, a piston, a crankshaft and a float bearing as main moving parts. A piston is connected to a connecting rod by a spherical joint and has radial ribs on ... | 05/06/2008 |
| 7348698 | Actuator for operating a transmission control valve of an automatic transmission apparatus A rotor having magnets composed of rare-earth magnets is rotatably disposed inside an exterior casing, a penetrating aperture is disposed through a first end of the exterior casing relative to a direction of a motor central axis, and a filter is disposed so as to co... | 03/25/2008 |
| 7347135 | Water pressure driven generator A fluid pressure driven generator which includes a generator housing and a rotor positioned within the generator housing. A power shaft is positioned in the rotor with a moment arm connected between the power shaft and rotor. A high fluid pressure inlet will be form... | 03/25/2008 |
| 7328682 | Efficiencies for piston engines or machines Disclosed are crankshaft, single-plate cam and beam mechanisms that provide significant improvements in performance for 2 & 4-stroke engines, compressors and pumps. These cost effective mechanisms include linkages with the new and improved use of pivoting arms that ... | 02/12/2008 |
| 7329105 | Multi-directional pump A multi-directional pump is disclosed generally comprising a housing with inlet and outlet ports, a pumping device disposed therein, a first chamber in fluid communication with the inlet port, and a second chamber in fluid communication with the first chamber. The f... | 02/12/2008 |
| 7325431 | Clamp assembly for bend arm of tube bending machine A clamping assembly for use with a bend arm of a tube bending machine. The assembly comprises a force multiplier linkage that applies a controlled and variable force to a workpiece. In one embodiment, the force multiplier linkage comprises a bearing member pivoted b... | 02/05/2008 |
| 7305916 | Reciprocating-piston machine for motor vehicles A piston compressor has a cylinder including a traveling piston sealed therein. A drive motor acts on a crankshaft, a drive shaft thereof being received by a bore of the crankshaft. A connecting rod provides for articulated connection of a crankshaft-journal of the ... | 12/11/2007 |
| 7287458 | Yoke mechanism for compressor A yoke structure for a compressor is disclosed, which is applied to a scotch yoke type reciprocating compressor. The yoke structure comprises a crankshaft (10); a crankpin (20) connected to the crankshaft (10), to rotate along a predetermined ro... | 10/30/2007 |
| 7270048 | Pump A pump (1) with an oscillating part having a housing (2) with a working chamber (3) and a crankcase (4) defined from the working chamber by the pump part. A pump drive mechanism (6) with a drive shaft (7) is located inside t... | 09/18/2007 |
| 7258057 | Method and apparatus for the production of mechanical power from hydraulic energy The subject of the invention is an engine that is actuated by a fluid under pressure, preferably water, and comprises one or more oscillating, connecting-rod assemblies (13), including a cylinder (14) and a piston (15), and at least one or more ... | 08/21/2007 |
| 7243595 | Piston compressor The invention concerns a piston compressor with a piston, which is connected with a crank pin of a drive shaft via a connecting rod having a longitudinal channel. It is endeavored to make the manufacturing of a piston compressor cost effective. For this purpose, it ... | 07/17/2007 |
| 7225723 | Hermetic compressor A hermetic compressor capable of appropriately injecting oil from an eccentric unit of a rotating shaft in accordance with amounts required by respective regions. The hermetic compressor comprises a compression chamber in which a refrigerant is compressed, a piston ... | 06/05/2007 |
| 7210397 | Scotch yoke engine A scotch yoke type fluid device where the or each piston (32) has its own slider (18) and its own pair of sliding surfaces (30) disposed on the same side of the big end bearing (16) of the crank (12). The main crank axis (14... | 05/01/2007 |
| 7202577 | Self-cooling actuator An actuator for an active suspension system includes an armature and a housing enclosing an interior. The interior has a volume that varies in response to movement of the armature. A wall of the housing forms a first aperture through which air passes in response to ... | 04/10/2007 |
| 7191697 | Piston mechanism with diverging pistons A piston mechanism comprises a crankcase, a crankshaft with three crankpins, a cylinder with diverging pistons defining working chambers having inlet and outlet openings, and two connecting members, one of which cooperates with the middle crankpin and the other with... | 03/20/2007 |
| 7146903 | Dual capacity compressor Dual capacity compressor including a power generating part (20) having a reversible motor (21, 22) and a crank shaft (23) inserted in the motor (21, 23), a compression part (30) having a cylinder (32), a piston (31), ... | 12/12/2006 |
| 7131419 | Crankshaft supporter A crankshaft supporter having a support member which is attached to a cylinder block of an engine so as to support a crankshaft and which is formed of an aluminum alloy matrix with a preform cast inside. The support member includes a mounting surface, bolt holes and... | 11/07/2006 |
| 7128541 | Oscillating displacement pump An oscillating displacement pump, particularly a diaphragm pump (P) for liquid or gaseous delivery media, having a delivery space which on the one side is delimited by a pump head and on the other side by a delivery element, particularly formed by a diaphragm (6 | 10/31/2006 |
| 7124678 | Apparatus for preventing abrasion in reciprocal compressor An apparatus for preventing abrasion in a reciprocal compressor, including a cylinder, a reciprocal motor having a stator and a mover, and generating a linear reciprocation driving force, a piston inserted into an inside space of the cylinder to be linearly movable,... | 10/24/2006 |
| 7117781 | Piston balancing system A piston pump or compressor has a dynamically balanced drive assembly in which nearly all of the rotational, oscillatory and axial forces on the rotating drive shaft are canceled. The piston is primarily balanced by adding an oscillating counter weight mounted to th... | 10/10/2006 |
| 7118046 | Sliding structure for shaft member with improved abrasion resistance and injector In a sliding structure in which a shaft member is retained slidably in a guide hole, the lack of an oil film caused by the edge contact of the shaft member to which a pressing load in the axial direction is applied is prevented. With the fact being taken into accoun... | 10/10/2006 |
| 7044047 | Cylinder mounted stroke control A series of thin shims with concave profiles matching the cylinder rod is supported from the cylinder. A carrier mechanism attached to either the rod end or cylinder barrel supports a plurality of shims that can be pivoted between storage positions and stop position... | 05/16/2006 |
| 7024960 | Connecting rod apparatus of hermetic compressor A connecting rod apparatus for converting a rotational motion to a reciprocal linear motion by connecting an eccentric portion of a crank shaft to a piston. The connecting rod apparatus has a bushing, a connecting rod and a connecting member. The bushing is rotatabl... | 04/11/2006 |
| 7018181 | Swashplate pump A piston pump assembly with a rotatingly driven swashplate in driving relationship with a rocker arm and piston engaged with one end of the rocker arm. A spring urges the rocker arm and piston into contact with an annular ring carried by a bearing in the swashplate.... | 03/28/2006 |
| 6997101 | Reciprocating compressor with a pressed fit bushing A reciprocating compressor is capable of preventing a bush, provided between an eccentric shaft and an eccentric shaft mounting hole of a connecting rod, from being deformed. The reciprocating compressor includes a rotating shaft rotated by a drive unit which genera... | 02/14/2006 |
| 6948418 | Hermetic reciprocating compressor A hermetic reciprocating compressor, in which a bearing structure to support a rotating shaft is improved to minimize frictional contact between the parts of the compressor, thus reducing noise of the compressor and improving compression efficiency of the compressor... | 09/27/2005 |
| 6926444 | Main bearing cap for internal combustion engines A main bearing cap (20) for an internal combustion engine consists of an aluminum alloy with an iron alloy core (10). The cap has a supporting surface (22) for a bearing shell. The iron alloy core has a central portion (13) with two space... | 08/09/2005 |
| 6918335 | Dual capacity compressor Dual capacity compressor including a power generating part including a reversible motor and a crank shaft inserted in the motor, a compression part including a cylinder, a piston in the cylinder, and a connecting rod connected to the piston, a crank pin in an upper ... | 07/19/2005 |
| 6863508 | Measuring gas pump with heated and insulated pump head A pump for gases to be measured having a pump housing in which a pump chamber is located. The pump chamber is sealed off by a working membrane that is connected to a crank drive by a connecting rod or similar lifting mechanism. A heating device is provided in an upp... | 03/08/2005 |
| 6854376 | Device for actuating a least piston and method for detecting failure in a device A device (1) for actuating at least one piston (2) moving axially in the bore (3) of a body (4), the piston (2) being driven by the longitudinal or curved movement (F2) of a control arm (5). Also disclosed is a method... | 02/15/2005 |
| 6799954 | Tappet turning-prevention structure for fuel supply apparatus A tappet turning prevention structure for a fuel supply apparatus includes a piston defining a fuel pressurizing chamber within the housing. A tappet disposed at one end of the piston has accommodated in it a roller driven by a cam of an engine and a roller supporti... | 10/05/2004 |
| 6776591 | Membrane pump comprising an inlet opening that is controlled by the membrane A membrane pump (1) having a membrane (24) which can be actuated by a crank drive (32), which membrane bounds, together with a concave pump body surface (8), a pump chamber (38), an inlet channel (4) and an outlet channel ( | 08/17/2004 |
| 6752067 | Airless spray pump An airless spray pump is provided with a single-acting piston pump which allows the use of a low-cost yoke drive. Motor and pump shaft are offset for most efficient force utilization. ... | 06/22/2004 |
| 6732631 | Needle bearing and pump unit having a needle bearing A needle bearing for use in a pump has an inner race, embodied as an eccentric sleeve, needles, and an outer race with rims oriented radially inward on both of its face ends, of which one rim is intended to secure the axial position of the needles and the outer race... | 05/11/2004 |
| 6729225 | Connecting-rod apparatus of hermetic compressor In a connecting apparatus of a hermetic reciprocal compressor to convert a rotary movement into a reciprocal sliding movement by connecting an eccentric portion of a crankshaft and a piston, the connecting apparatus has a ball; a first connecting member having a sma... | 05/04/2004 |
