Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7353796 | Rotary machine The rotary machine can be used as a rotary internal combustion engine and as a pneumatic or hydraulic pump. The rotary machine comprises a housing in the form of two intersecting cylinder parts of different diameters having parallel axes. A rotor is received in the ... | 04/08/2008 |
| 7314354 | Rotor machine The invention can be used for reversible pulsationless rotor high-pressure machines which can operate in pump and in motor mode. The inventive machine comprises a working chamber and an additional working chamber, separating jumpers and regulating elements. Said reg... | 01/01/2008 |
| 7226656 | Thermoformable acoustic sheet A thermoformable acoustic sheet formed by a compressed fibrous web including high melt and adhesive thermoplastic fibres in which the adhesive fibres are at least partially melted so that in the compressed web the adhesive fibres at least partially coat the high mel... | 06/05/2007 |
| 7118361 | Rotary pistons A rotary piston for use in pumps or motors, the piston having a radially movable vanes seated within the pumps rotor. The vanes are biased outwardly and forced inwardly by a cam action of the interior wall of the housing of the piston. Operation of the piston may be... | 10/10/2006 |
| 7004138 | Pressure pulse communication in an engine intake manifold A servo-operated rotary vane valve is intended for external assembly through an opening in an engine inlet manifold passage with an integral rib formed therein. Baffling surfaces on the edge of the vane minimize pressure pulse communication over the rib when the val... | 02/28/2006 |
| 6688869 | Extensible vane motor A motor for converting fluid pressure to rotational motivation and pump for moving fluid, comprising a first drum provided within a second drum. The first drum is provided with a pair of vanes, each provided with a generally heart-shaped slot around a dru... | 02/10/2004 |
| 6659744 | Rotary two axis expansible chamber pump with pivotal link This invention relates to expansible chamber positive displacement pumps, motors, and engines and includes variable displacement features. It provides a different method of making vane, piston, and roller abutment pumping devices which has benefits in sea... | 12/09/2003 |
| 6283736 | Hydrostatic pump or engine with infinitely variable debit or impulse The invention refers to a hydrostatic pump or engine with infinitely variable debit or impulse of the rotative type, constituted by an external and fixed body (1) of cylindrical shape, and whose symmetry axis coincides with the axis (4) of the rotor (3); ... | 09/04/2001 |
| 6273694 | Rotary-piston machine A rotary-piston machine (10) comprising a housing (5) having a cavity (9), a rotor (2) received in the housing (5), which rotor (2) having a rotor axis (A) and a peripheral surface (21), inlet and outlet passages (3, 4) in communication with said cavity (... | 08/14/2001 |
| 6186756 | Shaft structure in screw rotor of screw fluid assembly A rotor 1 forming screw teeth is projectingly provided at its outer end 2 on the axis thereof with a center shaft 3. The center shaft 3 is provided at its outer end 4 with a smaller-diameter shaft 5 or a concaved fitting hole. A separate rotor shaft 6 whi... | 02/13/2001 |
| 6139298 | Shaft structure in screw rotor of screw fluid assembly A rotor 1 forming screw teeth is projectingly provided at its outer end 2 on the axis thereof with a center shaft 3. The center shaft 3 is provided at its outer end 4 with a smaller-diameter shaft 5 or a concaved fitting hole. A separate rotor shaft 6 whi... | 10/31/2000 |
| 5636610 | Multi-chamber rotary piston-engine A multi-chamber rotary piston internal combustion engine includes an engine housing having interior walls defining a plurality of internal cylindrical cavities, at least one of the cavities being disposed in a first housing level and at least one other of... | 06/10/1997 |
| 5551853 | Axial vane rotary device and sealing system therefor An axial vane rotary device (14) includes a stator (16) with a cylindrical internal chamber (34) defined an annular outer wall (40) and two side walls (36, 38) of the stator. Each side wall has an annular cam surface (42, 44). A rotor (54) is rotatably mo... | 09/03/1996 |
| 5509793 | Rotary device with slidable vane supports An axial vane rotary device (14) includes a stator (16) with a cylindrical internal chamber (34) defined an annular outer wall (40) and two side walls (36, 38) of the stator. Each side wall has an annular cam surface (42, 44). A rotor (54) is rotatably mo... | 04/23/1996 |
| 5489199 | Blade sealing arrangement for continuous combustion, positive displacement, combined cycle, pinned vane rotary compressor and expander engine system A pinned vane type, positive displacement, rotary device includes a tangentially translatable roller arrangement for sealing each of a plurality of rotatable blades that are pivotally attached to an inner hub and extend through blade spreader elements of ... | 02/06/1996 |
| 5429084 | Axial vane rotary device and sealing system therefor An axial vane rotary device (14) includes a stator (16)with a cylindrical internal chamber (34) defined an annular outer wall (40) and two side walls (36, 38) of the stator. Each side wall has an annular cam surface (42, 44). A rotor (54) is rotatably mou... | 07/04/1995 |
| 5238373 | Extending-retracting vane meter-motor-pump A positive displacement fluid handling apparatus comprises a hollow circular cylindrical vane guide with a plurality of slotted axial openings included in the cylindrical wall thereof and a plurality of vanes, wherein the hollow circular cylindrical vane ... | 08/24/1993 |
| 5141423 | Axial flow fluid compressor with oil supply passage through rotor A compressor having a cylinder and a cylindrical rotational body housed within the cylinder. A spiral groove is formed in the outer peripheral surface of the rotational body, and a spiral blade is fitted in the groove so as to be freely retreated in and p... | 08/25/1992 |
| 5092752 | Seal assembly for a rotary device A seal assembly slidably mounted in a slot in the piston engages the cylindrical internal wall of the housing to form separate chambers. The housing has arcuate slots non-concentric with its cylindrical internal wall accommodating rollers connected to the... | 03/03/1992 |
| 4902209 | Sliding segment rotary fluid power translation device A multiple or compound work cycle, eccentric rotor, fluid power translation device, featuring adjustable and reversible work output capability, essentially comprising: A symmetric rotor having a plurality of fixed radially extended vanes rotating closely ... | 02/20/1990 |
| 4692104 | Rotary pumping apparatus with radial seal assemblies on piston An air pump and compressor having a housing with a cylindrical internal chamber. A plurality of pairs of intake and exhaust valves mounted on the housing control the flow of air into and out of the chamber. A piston located within the chamber is mounted o... | 09/08/1987 |
| 4664609 | Vane holder for vane pump and method of making same A vane air pump has a vane holder which includes a main body. A vane extends outward from one side of the main body and a balance weight extends outward from the other side of the main body in a direction opposite to the vane. The balance weight is cast i... | 05/12/1987 |
| 4657491 | Blade sealing for impeller pumps A sealing for a rotary impeller blade partially extending outwardly from a rotor of an impeller pump includes two sealing strips of plastics, the ends of which abut against the opposing side faces of the blade in the region of a slot found in the rotor, a... | 04/14/1987 |
| 4618319 | Vane-type compressor having resilient slot seals In a vane-type compressor, the slotted rotor includes resilient slot sealing means in the form of leaf springs. Each spring extends between consecutive slots and has curved end portions projecting into the slots and sealingly engaging opposite sides of co... | 10/21/1986 |
| 4608003 | Seal arrangement for vane type air pumps A vane type pump having a rotor with slots through which vanes extend and engage the inside of a cylindrical casing to pump upon rotation of the rotor. The slots have a longitudinal groove on each inner side facing each other and elongated carbon sealing ... | 08/26/1986 |
| 4583926 | Vane structure for vane type air pumps A vane type air pump having vanes with an edge that slidably engages the inside of a cylindrical casing and sides that slidably engage carbon sealing elements. The vanes are constructed of pre-impregnated glass cloth with the warp and weft positioned at a... | 04/22/1986 |
| 4541790 | Vane type compressor with double-wall vanes In a vane type compressor, in which a plurality of radial vanes are supported on a compressor shaft and extended through a rotary piston, each vane is formed of two wall portions spaced from each other and two ring portions receiving bearings for supporti... | 09/17/1985 |
| 4529366 | Vane type compressor with elastic sealings In a vane type compressor including a plurality of radial vanes extending from a compressor shaft through the slots in a rotary piston elastic flexible tubes are inserted in the slots and interconnected between the respective vanes and the rotary piston, ... | 07/16/1985 |
| 4521168 | Sealing means for a rotary piston engine An arrangement which seals three movable bodies with respect to one another, for example in a component used in a motor vehicle, is provided with first sealing bodies which are imbedded in a first rotating body. Sealingly secured in these first sealing bo... | 06/04/1985 |
| 4514153 | Rotary vane pump with clutch In a vane pump a hollow cylindrical rotor (7) is mounted for rotation about its axis within a housing (1) and is arranged to be driven by a belt driven pulley (54) mounted on one end (19) of the rotor. Extending eccentrically within the rotor (7) is a sha... | 04/30/1985 |
| 4508089 | Method of regulating the charge of combustion gas delivered to an internal combustion engine In a method of regulating the delivery of the combustion fluid (i.e. air or mixture of air and fuel) to an internal combustion engine (1), the combustion fluid is conducted through a gas engine or positive displacement device capable of operating as a flu... | 04/02/1985 |
| 4502856 | Vane pump with spring sealing elements against the vane faces A vane pump having a cylindrical drum which revolves in a fixed housing part about an axis extending eccentrically to the housing part. The cylindrical drum drives at least one vane which is rotatably supported in the center of the fixed housing part so t... | 03/05/1985 |
| 4451218 | Vane-piston pump A vane-piston pump having a rotor supported eccentrically in a pump housing. The rotor is provided with slits for the passage through it of the vanes, and sealing strips are disposed at either side of the slits. The vanes slide along these sealing strips.... | 05/29/1984 |
| 4402655 | Vane pump with symmetrical inclined fluid confinement initiating line A vane type pump having a housing formed with an inlet chamber and an outlet chamber and having a cylinder portion, a cylindrical rotor mounted for eccentric rotation in the cylinder portion, and a plurality of vane mounted for concentric rotation in the ... | 09/06/1983 |
| 4221553 | Oribital pump with fluid flow control An orbital pump comprises a pump housing having first and second end walls and an intermediate annular, inwardly projecting wide wall member. First and second axial drive shaft portions are installed through corresponding housing end walls. A rotor, excen... | 09/09/1980 |
| 4168941 | Rotary vane machine with roller seals for the vanes A rotary vane machine utilizing tapered vanes which are rotatably connected to a stationary center shaft and which extend through openings in the wall of an off-center hollow cylindrical rotor into sliding contact with an inner wall of the machine. Workin... | 09/25/1979 |
| 4157882 | Device for sealing between the rotary piston and the separating slide of a rotary engine, a rotary piston pump, or the like A sealing arrangement in a rotary machine between the eccentric rotary piston and the separating slide engaging a recess in the piston. A spring-loaded strip is guided in a lengthwise slot of the rotary piston, and is in contact with each side wall of the... | 06/12/1979 |
| 4123205 | Rotary vane pump with sealing means A pump is comprised of a housing within which a rotary piston is rotatably mounted, to define therebetween an annular conveying channel between an inlet port and an outlet port. Annular sealing rings between the piston and housing seal the conveying chann... | 10/31/1978 |
| 4019840 | Positive displacement vane type rotary pump Vane type rotary pumping device comprising a stationary housing member having a cavity extending therethrough, a rotor disposed in the cavity for rotation therein and having a plurality of radial openings therein, and vane members extending in each of the... | 04/26/1977 |
| 3993417 | Rotary apparatus with axially movable vanes A positive displacement rotary apparatus comprising a rotor having opposed faces on opposite sides thereof; a housing around the rotor and having opposed internal side walls facing the opposed faces of the rotor; and a plurality of circumferentially space... | 11/23/1976 |
