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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7374409 | Reciprocating pump A suction passage (1) and a discharge passage (2) for a to-be-transferred fluid are disposed in a pump body (3). A bottomed cylindrical bellows (6) is integrally coupled to the axial rear side of the pump body to form a closed space (7... | 05/20/2008 |
| 7344363 | Remedies to prevent cracking in a liquid system A liquid cooling system utilizing minimal size and volume enclosures, air pockets, compressible objects, and flexible objects is provided to protect against expansion of water-based solutions when frozen. In such a system, pipes, pumps, and heat exchangers are desig... | 03/18/2008 |
| 7278549 | Remedies to prevent cracking in a liquid system A liquid cooling system utilizing minimal size and volume enclosures, air pockets, compressible objects, and flexible objects is provided to protect against expansion of water-based solutions when frozen. In such a system, pipes, pumps, and heat exchangers are desig... | 10/09/2007 |
| 7258082 | Oscillating-piston machine An oscillating-piston machine comprises a housing, in which a first and at least a second piston are arranged, which pistons can together revolve in the housing about an axis of rotation that is fixed with respect to the housing, and which pistons, as they revolve a... | 08/21/2007 |
| 7055721 | Finger-operated spray pump ejaculating fluid in fixed quantity The present invention relates to a finger-operated spray pump ejaculating fluid in fixed quantity at one-time pumping, and more particularly a spray pump in which a poppet valve and a sliding seal are made as one unit and the structure of the housing is modified for... | 06/06/2006 |
| 6913169 | Low profile, fine mist, finger-operated, precompression-type spray pump The present invention relates to a low profile, fine mist, finger-operated, precompression-type spray pump, and more particularly to a spray pump provided with a second valve of the novel structure being moveable between a poppet valve and a bottom entrance of housi... | 07/05/2005 |
| 6732647 | Pump for inking or like purposes An inking pump for an offset printing press has a cylinder defining a bore in which a plunger is received for both rotation and linear reciprocation, creating a first and a second opposed fluid chamber. The cylinder has formed therein a first and a second suction po... | 05/11/2004 |
| 6623255 | Fluid transfer apparatus A fluid transfer apparatus utilizes a linear motor including a movable element in which magnetic poles are provided at a predetermined pitch along a moving direction, magnetic pole teeth provided in upper and lower portions of the movable element at a pre... | 09/23/2003 |
| 6511305 | Oscillatory pump-conveyor for transporting liquid-solid mixture with the employment of rotational and inertial forces A biphase conveyor of a mixture of fine solid components with pasty and liquid components based on the use of rotational and periodic inertial forces is described. In accordance with the present invention the conveyor comprises a mechanism which impresses... | 01/28/2003 |
| 6357397 | Axially controlled rotary energy converters for engines and pumps An axial bevel gear generated control motion is used to control an accelerating-decelerating vane motion in a cylindrical central axis main pressure chamber using a limited angle differential gear whose reversing gear is receiving an axial crank controlle... | 03/19/2002 |
| 6354820 | Pump For the purpose of providing a thin pump designed to decrease the number of parts, the pump is provided with a rectangular parallelepiped cylinder (3) and a piston located inside of the cylinder, wherein the piston (4) reciprocates and oscillates in the c... | 03/12/2002 |
| 6227152 | Internal combustion engine There is described an internal combustion engine comprising at least one cylinder and a crankcase (5), which together with the cylinder forms a common, circular cylindrical tubular body (1), and comprising an oscillating piston (7) rotatably mounted about... | 05/08/2001 |
| 6050790 | Electric waving fan with oscillating multi-direction fan vane element An electric waving fan includes a single air moving fan vane element, a motor for generating power, a transmission apparatus for converting the power to motion, and a power output assembly for moving the single fan vane element simultaneously in two direc... | 04/18/2000 |
| 5961302 | Liquid-sealed vane oscillator A liquid-sealed vane oscillator includes a housing defining a cavity corresponding to part of a virtual annulus centered around, and extending at least 180° about, an axis of rotation and delimited by first and second ends. A vane is mounted rotatably wi... | 10/05/1999 |
| 5501182 | Peristaltic vane device for engines and pumps A tabulated kinematic control theory provides a foundation for a variety of peristaltic motion control versions where a control stator establishes a reference line for a peristaltic control wave or path in few different ways for the purpose of making a co... | 03/26/1996 |
| 5415078 | Reciprocating piston machine This invention relates to reciprocating piston machines which use the crankcase for pumping air or charge. The connecting rod with extension partitions the interior of the crankcase including the lower cylinder into two varying volumes during a portion of... | 05/16/1995 |
| 5305716 | Rocking-type piston engine Four pistons (20) are arranged offset from one another at angular spacings of 90° in a housing (10) having a cylindrical inner wall, and they are each supported to be pivotable about a piston axis (B) which is parallel to the housing axis (A). The piston... | 04/26/1994 |
| 5277558 | Constant output pressure pump A conveyance pump having a substantially constant output pressure. The pump includes a chamber having a circular periphery. A vane is mounted within the pump chamber for oscillation through an arc and a valve chamber includes opening to each boundary of t... | 01/11/1994 |
| 5017106 | Pump for conveying gases and providing a differential pressure In pumps for conveying gases and providing a differential pressure between the pump inlet and outlet, a pumping space within the pump is hermetically sealed from the pump drive unit. No oil or grease-lubricated parts are located within the pumping space. ... | 05/21/1991 |
| 4966102 | Compression/combustion assembly The preferred embodiment of the present invention is in the form of a rotary compression/combustion assembly (10) adaptable to be utilized as an internal combustion engine, a fluid pump or as fluid compressor device. The assembly (10) operates by the inte... | 10/30/1990 |
| 4861236 | Birotational pump This invention comprises a birotational pump for the movement of air fluid through a conventional pumping mechanism. It is comprised of cylindrical piston housing, a pump shaft running through the piston housing, a piston linkage assembly secured to the p... | 08/29/1989 |
| 4540343 | Spherical gear pump A spherical gear pump comprises a housing with a first longitudinal axis, a spherical seat, an inlet and outlet adjacent the seat, inlet and outlet passages communicating with the inlet and outlet and adapted for connection to a source of liquid and a liq... | 09/10/1985 |
| 4492150 | Actuator for mechanical apparatus A rotary fluid pressure actuator device includes a housing comprised of a pair of housing members interconnected together for relative movement therebetween. A vane rotor assembly is positioned in the housing and is rotationally reciprocated in response t... | 01/08/1985 |
| 4310930 | Rigid-vane artifical heart A rigid-vane artificial heart pump includes a vane shaft which extends from the gear box into the blood pumping chamber and a torsion seal for hermetically sealing the gear box from the pumping chamber so as to prevent contamination of blood. Check valves... | 01/19/1982 |
| 4272229 | Pivotal piston machine A pivotal piston machine or compressor including a disc-like pivotal piston oscillating on a bearing axis, such oscillatory movement being effected by engagement of a roller-type cam follower of a crank arm driven by a crankshaft, with cam surfaces formed... | 06/09/1981 |
| 4257752 | Rotary alternating piston machine with coupling lever rotating around offset crankpin A rotary piston machine is shown that is operable with a compressible fluid; such as a rotary pump, compressor or engine construction. There is a housing having an inner and an outer ring member that are rotatably mounted on a common axis. The outer ring ... | 03/24/1981 |
| 4193743 | Oscillatory pump for the transport of viscous materials A piston pump for the transport of viscous materials and, in particular, concrete, includes a housing having defined therein an annular-shaped working space, a piston slidably mounted within the annular-shaped working space for oscillatory movement, and a... | 03/18/1980 |
| 4131394 | Method for transport of manure and a device according to the method A method and a device for transport of manure under pressure through a pipe, including a mainly cylindrical housing with a piston member having a circle segment cross-section, said piston member being arranged to perform a rotary reciprocal movement in fo... | 12/26/1978 |
| 4106441 | Power translation machine with oscillating piston An internal combustion engine wherein each piston is relatively flat and is journalled to oscillate in a cavity defined by a sector of a cylinder. Thus, the piston forms two work chambers, one on each side of the piston, and each work chamber is equipped ... | 08/15/1978 |
| 4099448 | Oscillating engine An oscillating engine having synchronized oppositely-rotating vaned rotors in adjacent arcuate chambers. Intake and exhaust openings for each chamber are located adjacent to each other near at least one of the extreme positions of oscillation of each resp... | 07/11/1978 |
| 4027475 | Power systems The disclosure describes a drive system including an engine with a rotor which has oscillatory motion. The engine may be of either an internal or external combustion type. The drive system further includes a conversion device coupled to the engine rotor a... | 06/07/1977 |
| 4027576 | Pump or motor having sealed chambers A pump or motor having a cylindrical housing member and a shaft member extending coaxially therethrough. The shaft member carries shaft vanes which project radially from the shaft member into close proximity with an inner cylindrical surface of the cylind... | 06/07/1977 |
