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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 |
| 8157548 | Supply pump, in particular for supplying diesel fuel, with improved bearing of the drive shaft The present invention relates to a delivery pump, in particular for delivering diesel fuel into a high-pressure accumulator. The pump has a housing and a drive shaft which is accommodated in the latter and is mounted by at least one sliding bearing arrangement such ... | 04/17/2012 |
| 8096789 | Simplified cleaning and filling device with a piston A device for difficult intervention in a closed enclosure, having an enclosure connected to the closed enclosure via a duct, a piston that can be moved by a motor, a geometry allowing a contact with the outside air when the piston occupies a certain position within ... | 01/17/2012 |
| 7661936 | Piston pump with slot-controlled inlet valve The invention relates to a piston pump for delivering hydraulic fluid, including a cylinder element, a piston that is able to move back and forth in the cylinder element, a piston chamber in which the piston is able to exert pressure on the hydraulic fluid, an outle... | 02/16/2010 |
| 7374019 | Method of and device for lubricating rolling bearings There is provided a lubricating method for a rolling bearing assembly capable of achieving a reliable lubrication and exhibiting a stable temperature rise. The method is for supplying a lubricant oil to the rolling bearing assembly during the operation thereof, in w... | 05/20/2008 |
| 7354255 | Piston vibratory pump The present invention is an improved vibratory pumping mechanism that increases the efficiency of utilization of the vibratory motion within a mechanism. More specifically, the mechanism includes a central chamber within which a piston is oscillated to draw fluid in... | 04/08/2008 |
| 7287967 | High-pressure pump having small initial axial force of a clamping bolt A high pressure pump for preventing distortion of a sealing surface or a cylinder form. The high pressure pump has an intermediate member including a cylinder body having a pressurizing chamber communicated with a cylinder accommodating a plunger. Fluid in the press... | 10/30/2007 |
| 7275477 | Piston assembly for air pump A piston assembly of an air pump is provided herein. The piston of the piston assembly has a through exhaust channel along the direction of the piston's back-and-forth movement. The exhaust channel is made up of two aligned exhaust holes, and a space is preserved at... | 10/02/2007 |
| 7198034 | Method and system for the direct injection of fuel into an internal combustion engine A method and system for the direct injection of fuel into an internal combustion engine, according to which a high-pressure pump with a variable flow rate supplies the fuel to a common rail, which in turn supplies the fuel to a series of injectors; the flow rate of ... | 04/03/2007 |
| 7121810 | High-pressure pump having small initial axial force of a clamping bolt A high pressure pump for preventing distortion of a sealing surface or a cylinder form. The high pressure pump has an intermediate member including a cylinder body having a pressurizing chamber communicated with a cylinder accommodating a plunger. Fluid in the press... | 10/17/2006 |
| 7114928 | High-pressure fuel pump and assembly structure of high-pressure pump A high pressure pump for decreasing an initial axial force of a clamping bolt and preventing distortion of a sealing surface and a cylinder form. The high pressure pump has an intermediate member including a cylinder body. The cylinder body has a pressurizing chambe... | 10/03/2006 |
| 7090474 | Diaphragm pump with overfill limiter A diaphragm pump which overcomes the problem of diaphragm failure due to overfill of the oil transfer chamber. An overfill preventive element in the form of a mechanical stop, a fully closed coil spring, or a valve system, or alternatives are provided. ... | 08/15/2006 |
| 7033143 | Pumping system with clutch and associated by-pass This invention relates to a pumping system. The design of the system is such that bi-directional operation can be achieved using a significantly smaller and hence lighter unit than those currently available. It uses the direction of rotation of the drive shaft to co... | 04/25/2006 |
| 7025323 | Low power integrated pumping and valving arrays for microfluidic systems Low power integrated pumping and valving arrays which provide a revolutionary approach for performing pumping and valving approach for performing pumping and valving operations in microfabricated fluidic systems for applications such as medical diagnostic microchips... | 04/11/2006 |
| 7025044 | Pump assembly and method A pump assembly includes a high-pressure pump that flows pressurized working fluid in a fuel injection system of a diesel engine. The assembly includes a pilot-operated inlet throttle valve that receives a flow of low-pressure fluid from a feed pump and controls the... | 04/11/2006 |
| 6986651 | Pump priming apparatus A pump priming apparatus including a housing through which fluid object material may be urged to flow, the housing including an intake portion and a pumping portion downstream from the intake portion. The apparatus further includes a piston assembly carried for reci... | 01/17/2006 |
| 6968815 | Actuating device for securing a camshaft of an engine of a motor vehicle in a start position An actuating device for hydraulically securing a camshaft of an engine of a motor vehicle in a start position has a solenoid valve controlling the flow of a pressure medium to a camshaft adjuster with a rotary slide valve that is fixedly connected to the camshaft an... | 11/29/2005 |
| 6843641 | Radial piston pump A radial piston pump for generating high fuel pressure in common rail fuel injection systems of internal combustion engines having a drive shaft which is rotatably supported in a pump housing and is embodied eccentrically, and having a plurality of pistons, in parti... | 01/18/2005 |
| 6749402 | Nutating pump, control system and method of control thereof A fluid dispense system having a computer control system that operatively controls a stepper motor driving a pump. The stepper motor actuates the pump piston through partial revolutions. The computer control system determines the number of stepper motor steps requir... | 06/15/2004 |
| 6733256 | Device for producing consumables The invention relates to a device for producing consumables, especially filled chocolates that consist of a coated filling. The aim of the invention is to provide a device for feeding substances of the consumables to nozzles in a controlled manner. To this end, the ... | 05/11/2004 |
| 6719542 | Pump for printing press A pump for a printing press includes a plunger within a cylinder to be rotatable and reciprocatable and having a cutaway portion at its distal end, and a constant-speed motor for rotating and reciprocating the plunger. The plunger and the output shaft of the motor a... | 04/13/2004 |
| 6651630 | High pressure fuel pump In order to provide a method for high volume and high pressure operation of a variable delivery type single cylinder plunger pump, the displacement of the piezoelectric element 20 is magnified by a hydraulic displacement magnifying mechanism comprising a ... | 11/25/2003 |
| 6517331 | Oil inlet for a wobble plate pump A displacement pump includes a rotatable drive shaft; a low-pressure hydraulic fluid reservoir; at least one piston containing a piston cavity; and a drive plate connected with the drive shaft. The drive plate includes an inlet passage and a fill slot. Th... | 02/11/2003 |
| 6517330 | Reciprocating pump A reciprocating pump includes a chamber, a reciprocating member arranged to induct a fluid into the chamber and discharge the fluid from the chamber to a delivery side of the pump, and a piezoelectric element attached to the pump and arranged to detect pr... | 02/11/2003 |
| 6461117 | Reversible volume oil pump A fluid pump is provided that produces an outflow of fluid that is not proportional to the speed of the input drive. Thus, the fluid pump can be tuned to provide a substantially constant outflow of fluid irrespective of the speed of the input drive. The f... | 10/08/2002 |
| 6398513 | Fluid dispensers A fluid dispense system having a computer control system that operatively controls a stepper motor driving a nutating pump. The stepper motor actuates the nutating pump piston through partial revolutions. The computer control system determines the number ... | 06/04/2002 |
| 6394772 | Oil transfer pump It is an object of the invention to provide a pump which comprises a body having an outlet recess and an oil inlet and an outlet, and an eccentric run by a motor, the eccentric moving by means of an arm an extrusion piston equipped with a closing clip, th... | 05/28/2002 |
| 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 |
| 6336443 | Injection pump An injection pump for generating high fuel pressure in fuel injection systems of internal combustion engines, having a pump piston, which reciprocates in a cylinder having a control bore in order to aspirate fuel from a suction chamber into a high-pressur... | 01/08/2002 |
| 6332761 | Radial piston pump for high pressure fuel delivery The invention relates to a radial piston pump for high-pressure fuel delivery in fuel injection systems of internal combustion engines in a common rail injection system having a drive shaft that is supported in a pump housing. The drive shaft is eccentric... | 12/25/2001 |
| 6299419 | Reciprocating diaphragm pump with packless piston-cylinder unit This invention provides a sealing mechanism for sealing the piston-cylinder unit of a reciprocating diaphragm pump to ensure that the piston-cylinder unit is permanently and reliably sealed while being simple to assemble. The invention further provides a ... | 10/09/2001 |
| 6171070 | High-pressure reciprocating pumps A high-pressure reciprocating pump is constructed such that a plurality of plungers connected to a driver are made to move back and forth and intake channels or discharge channels are opened and closed by valves in synchronism with movements of the plunge... | 01/09/2001 |
| 6152708 | Fuel injection pump for an internal combustion engine A fuel injection pump for internal combustion engines, is proposed, with a distributor pump piston (6), which is supported in a housing bore (5) and on its jacket face, has a distributor groove (12), a filling groove (18), which is connected to a pressure... | 11/28/2000 |
| 6116870 | High pressure pump with solenoid operated valve A high pressure pump which has a working chamber, which on the one hand, is connected to a low pressure circuit via a solenoid valve and on the other hand, is connected to a high pressure reservoir via a check valve. The solenoid valve has a spring-loaded... | 09/12/2000 |
| 5951259 | Reciprocating pump with improved primer element and method A reciprocating pump, including: a hollow tube having a first end; a hollow foot valve connected to the tube, the tube and foot valve defining a chamber, said foot valve having a first foot valve end and at least one inlet port formed at the first foot va... | 09/14/1999 |
| 5779454 | Combined pressure surge fuel pump and nozzle assembly Disclosed herein is a fuel pump comprising a housing including therein a high pressure fuel chamber, a fuel outlet valve communicating with the high pressure fuel chamber and being operable to prevent fuel inflow and to permit fuel outflow when the fuel p... | 07/14/1998 |
| 5775885 | Combination suction manifold and cylinder block for a reciprocating compressor A hermetically sealed reciprocating refrigeration compressor has a suction gas arrangement including a suction gas plenum formed integral with a cylinder block for supplying suction gas directly to a cylinder so as to eliminate the need for external sucti... | 07/07/1998 |
| 5741126 | Valveless metering pump with crisscrossed passage ways in the piston A valveless positive displacement pump with a closed end cylinder has fluid inlet and outlet ports adjacent to the closed end. A piston is reciprocally and rotatively driven in the cylinder. The piston is provided with crisscrossed helical slots formed th... | 04/21/1998 |
| 5711615 | Antifriction bearing The present invention relates to an antifriction bearing with an external lubricant supply system, which includes a lubricant duct which extends through the outer ring or inner ring of the bearing, and which terminates in the direct vicinity of the rollin... | 01/27/1998 |
| 5662023 | Replaceable cylinder piston assembly for a lubricator pump A lubricator pump having a replaceable cylinder piston assembly is disclosed for replacement or interchangeability with cylinders having different piston sizes. The interchangeability of the cylinder piston assembly allows for different lubricant output.... | 09/02/1997 |
| 5645406 | Transmission assembly with positive-displacement pump with suction throttle driven by a hydrodynamic converter A gear for motor vehicles provided with a positive-displacement pump for supplying a lubricating device and the control and activating devices of the gear. The positive-displacement pump is driven by the rotation of a drive motor and is provided with a su... | 07/08/1997 |
