...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7726625 | Device, method for producing the device, chamber device and transfer device A transfer device for transferring an actuator displacement, has a housing with a first recess having a first and second plunger displaceably mounted. These plungers are actively connected via at least one transfer chamber by a fluid. The active connection causes th... | 06/01/2010 |
| 7500648 | Fuel-injection valve A fuel injector has a piezoelectric or magnetostrictive actuator, which actuates a valve-closure member cooperating with a valve-seat surface a sealing seat. An hydraulic coupler includes a master piston, a slave piston, and a coupler volume formed in-between, the c... | 03/10/2009 |
| 7360750 | Piezoelectric air valve and multiple-type piezoelectric air valve The air valve includes a valve body for controlling operations to open and close the communication between an air pressure chamber and an air outlet, a piezoelectric element for generating driving force in the form of displacements, and a displacement enlarging mech... | 04/22/2008 |
| 7332040 | Semiconductor manufacturing system having a vaporizer which efficiently vaporizes a liquid material A vaporizer can efficiently vaporize a liquid material under a depressurized atmosphere. The liquid material is temporarily stored in a liquid storing chamber, and is supplied to a vaporizing chamber set in the depressurized atmosphere via a small aperture. An inlet... | 02/19/2008 |
| 7325782 | Remotely activated manifold shut-off A remotely activated shut-off for stopping a fluid flow in a fluid line by actuating an existing valve in fluid connection with the fluid line wherein the valve is within an existing valve body and includes an existing external element for the actuating of the valve... | 02/05/2008 |
| 7318398 | Engine valve actuation system An engine valve actuation system includes an engine valve moveable between a first position that blocks a flow of fluid and a second position that allows a flow of fluid. The system also includes a valve actuation assembly connected to move the engine valve between ... | 01/15/2008 |
| 7310986 | Method for producing a compensation collar for an injection valve The positioning of the actuating drive in a fuel injector with a piezoactor (2) that is screwed into the housing (1) of the fuel injector is performed by applying a voltage (U) to the piezoactor (2) that corresponds to a given idle stroke (h), a... | 12/25/2007 |
| 7275522 | Method and apparatus for controlling a valve, and method and apparatus for controlling a pump-nozzle apparatus with the valve A valve has a piezoelectric actuator with a valve element, a valve body and a valve seat. In order to control the valve, the valve element is moved into the valve seat from a position remote from the valve seat by means of a charging process at a prescribable first ... | 10/02/2007 |
| 7275562 | Extensible spiral for flex circuit A planar extensible structure in a flat planar flex circuit can be extended out of the plane of the circuit by a distance of more than the width of the structure to carry fluids, electrical signals or optical signals into and out of the circuit. The planar extensibl... | 10/02/2007 |
| 7252578 | Apparatus for cylindrically grinding workpieces An apparatus for cylindrically grinding workpieces includes a first holding tool (10) and a second holding tool (12). The first holding tool is configured for positioning pre-grinding workpieces (18). The first holding tool defines a first groov... | 08/07/2007 |
| 7204211 | Arrangement of an internal combustion engine poppet valve and an actuator therefor The present invention (with reference to FIG. 1) is an arrangement of an internal combustion engine poppet valve and a hydraulic actuator therefor comprising: an actuator housing (16); spring means (104,105) for biassing the poppet val... | 04/17/2007 |
| 7201121 | Combustion engine including fluidically-driven engine valve actuator Engines and methods of controlling an engine may involve one or more fluidically driven actuators associated with engine intake and/or exhaust valves. In some examples, the actuators may be placed in flow communication with high pressure fluid from one source and/or... | 04/10/2007 |
| 7198202 | Differential expansion absorption mechanism and fuel injection valve comprising same The present invention provides a fuel injection valve which moves a needle valve (10) via a viscous fluid and a piston (7) by having an actuator (9) move a cylinder (3). The fuel injection valve comprises a sealing member (27) for ... | 04/03/2007 |
| 7194990 | Electro-hydraulic engine valve actuation Hydraulic actuator as an element of a system for controlling an engine valve is presented. The actuator includes a fluidic actuation chamber, defined by an actuation piston that increases chamber volume as the actuation piston is urged away from a neutral. Chamber i... | 03/27/2007 |
| 7175112 | Fuel injection valve A fuel injection valve for internal combustion engines, with a housing that contains a moving valve element whose movement counter to the elastic force of a spring element controls the fuel supply to the combustion chamber of the engine. The spring element has the f... | 02/13/2007 |
| 7175274 | Combination sunglasses and reading eyeglasses An eyeglasses assembly includes an eyeglass frame, a temple member, a first lens and a second lens. The first lens is connected to the frame and is positioned to allow a wearer of the frame to look through the first lens. The second lens is moveably connected to the... | 02/13/2007 |
| 7100895 | Travel-transmitting element for an injection valve Disclosed is a travel-transmitting element for an injection valve, comprising a pressure-loaded storage chamber which is filled with a hydraulic fluid and a storage element that is provided with an elastomeric bellows-type member. In order to ensure sufficient stead... | 09/05/2006 |
| 7089031 | Radio terminal with browser A terminal for providing an application using a browser. The terminal comprises a transceiver arranged to send radio packets to and receive radio packets from a server, and means for determining if the terminal and server are able to communicate. The terminal furthe... | 08/08/2006 |
| 7077377 | Device for the translation of a displacement of an actuator, in particular for an injection valve A device, for the translation of a displacement of an actuator, in particular for an injection valve, essentially comprises two counter-displaceable pistons, coupled together by means of a translational chamber in a play-free manner. The translation chamber is fille... | 07/18/2006 |
| 7073730 | Fuel injection valve A fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, including a piezoelectric or magnetostrictive actuator, actuates a valve-closure member formed on a valve needle via a hydraulic coupler, the valve-closure memb... | 07/11/2006 |
| 7069887 | Engine valve actuation system An engine valve actuation system is provided. An intake valve is moveable between a first position to prevent a flow of fluid and a second position to allow a flow of fluid. A cam assembly is connected to move the intake valve between the first position and the seco... | 07/04/2006 |
| 7066399 | Fuel injector A fuel injector for fuel-injection systems of internal combustion engines having a piezoelectric or magnetostrictive actuator, includes a hydraulic coupler which actuates a valve-closure member (3) formed on a valve needle. The valve-closure member cooperates... | 06/27/2006 |
| 7059283 | System and method of retaining hydraulic fluid in a hydraulic valve actuation system Methods and systems for retaining hydraulic fluid in a hydraulic valve actuation system adapted to be installed on an internal combustion engine are disclosed. The system may include a hydraulic fluid supply connected by one or more passages to a fluid accumulator a... | 06/13/2006 |
| 7055796 | Valve, especially for hydraulic automotive brake systems The present invention relates to a valve, especially for slip-controlled brake systems in automotive vehicles, with a valve tappet guided in a valve housing and including a valve closure member, with a valve seat facing the valve closure member, and with a piezoelec... | 06/06/2006 |
| 7051991 | Control valve An actuator operated by a solenoid and a force amplifying means utilizing hydraulic pressure are used in combination with a diaphragm, to thereby provide a diaphragm valve made of Teflon™, and which is compact in size, has low power consumption, and which is capab... | 05/30/2006 |
| 7040550 | Fuel injection valve A fuel injector for the direct injection of fuel into the combustion chamber of an internal combustion engine includes a piezoelectric or magnetostrictive actuator, a hydraulic coupler, the hydraulic coupler having a master piston and a slave piston that are connect... | 05/09/2006 |
| 7021602 | Valve, actuator and control system therefor A hydraulic control system for a valve actuator comprising a first control valve that regulates fluid communication from a fluid pressure source to a first fluid supply tank that is fluidly connected to the valve actuator. A second control valve regulates fluid comm... | 04/04/2006 |
| 7013877 | Pressure control valve, especially for high pressure diesel pumps of injection devices of motor vehicles A pressure control valve for a high-pressure diesel pump of an injection device of a motor vehicle has a valve body and a piezo drive with a tappet securing the valve body in a closed position. The valve body in the closed position closes off a bore, containing a me... | 03/21/2006 |
| 7011289 | Valve A sliding spool valve (1) is provided for controlling flow of fluid especially between an inlet (2) at a relatively high pressure and an outlet (6) at a relatively low pressure. Wherein the spool valve is reciprocally displaced between open and ... | 03/14/2006 |
| 7007860 | Plunger cavity pressure control for a hydraulically-actuated fuel injector A fuel injector in an engine includes a spring cavity, a piston, a plunger, a spring, a fuel cavity, and a stop plate. The piston is hydraulically controlled to force the plunger down to compress fuel in the fuel cavity. However, under certain conditions, the plunge... | 03/07/2006 |
| 6997433 | Electronic valve actuator having vibration cancellation An electronically controlled valve actuator having an armature, a valve, and a coupler for coupling the actuator to the valve with motion of the armature in a first direction moving the second piston in a second direction. The actuator includes an electromagnet, an ... | 02/14/2006 |
| 6975061 | Apparatus for moving a pair of opposing surfaces in response to an electrical activation An apparatus for moving a pair of opposing surfaces in response to an electrical activation having a support including a rigid non-flexing portion, at least one pivotable arm portion extending from the rigid non-flexing portion, a pair of opposing surfaces with one ... | 12/13/2005 |
| 6953157 | Fuel injection device for an internal combustion engine The fuel injection system having one high-pressure fuel pump and one fuel injection valve for each engine cylinder in which the pump piston defines a work chamber, which communicates with a pressure chamber of the fuel injection valve. A control valve controls conne... | 10/11/2005 |
| 6948463 | Cylinder head A cylinder head for a combustion cylinder of an internal combustion engine is provided, which has at least one inlet opening and at least one outlet opening, as well as gas exchange valves which are operable by electrohydraulic valve actuators, some of which gas exc... | 09/27/2005 |
| 6948667 | Fuel injector A fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, having a piezoelectric or magnetostrictive actuator, has a coupler with a master piston and a slave piston which are connected to a pressure chamber. The pressu... | 09/27/2005 |
| 6934976 | Toilet flusher with novel valves and controls A tank-type flusher includes an intake valve, i.e., a fill valve, a diaphragm-operated flush valve, and a pressure control mechanism. The intake valve is connected to an external water source and is constructed to close water flow to a water storage tank at about a ... | 08/30/2005 |
| 6932278 | Fuel injection valve A fuel injector for the direct injection of fuel into the combustion chamber of a mixture-compressing internal combustion engine having external ignition includes a piezoelectric or magnetostrictive actuator and a valve needle, which, via a compensation element, is ... | 08/23/2005 |
| 6924586 | Uni-body piezoelectric motor An apparatus according to the present invention includes a support structure having a primary portion with first and second arm portions formed thereon for movement relative to one another, and a secondary portion with either a clamp portion or valve portion integra... | 08/02/2005 |
| 6913240 | Electrohydraulic control unit An electrohydraulic control unit for operating an actuator of a hydraulically controllable device is disclosed. The electrohydraulic control unit comprises a housing including a chamber for hydraulic fluid. The housing is coupled to the actuator such that a path for... | 07/05/2005 |
| 6843464 | Valve for controlling liquids A valve for controlling fluids, having a piezoelectric actuator unit for actuating a valve member is proposed, which has at least one adjusting piston and at least one actuating piston that is guided in a valve body and actuates a valve closing body, which valve clo... | 01/18/2005 |