Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7156079 | Diesel engine A diesel engine 1 of the present invention comprises: a camshaft 13 with a cam 21; a fuel injection pump 12 having a plunger 84; a tappet for driving the plunger 84; and a slide portion 2b. The tappet includes ... | 01/02/2007 |
| 7152585 | Fuel injection pump with cold start device A fuel injection pump comprises: a barrel formed with a main port 39 and a sub port 36a; a plunger 32; and a CSD 30 including an injection-advancing actuator 38 which operates a piston 35 for opening or closing sub po... | 12/26/2006 |
| 6957950 | Compressor with compact screw connected housing and adjustable mounting means According to the invention, a compressor having a threaded screw connection portion formed directly on a fitting portion of the housing is provided. Since no through bolt or the like for connecting two-parts of the housing is used, the diameter of the housing can be... | 10/25/2005 |
| 6955156 | Injection pump and fuel DME feed device of diesel engine with the injection pump In an injection pump element 2, a communication route for communicating an injection pipe 3 connected to a fuel liquid outlet 212 and an inner peripheral surface of a plunger barrel 25 is formed by a purge passage 242 formed in a d... | 10/18/2005 |
| 6955531 | Pump for inflating and deflating an inflatable object with a rotatable nozzle assembly A pump is capable of inflating and deflating an inflatable object. The pump includes a cylinder, a piston and a nozzle. The cylinder defines an outlet through which air can only flow into the cylinder and an inlet through which air can only flow from the cylinder. T... | 10/18/2005 |
| 6928987 | Fixing structure for fuel injection nozzle A nozzle fixing structure which fixes a fuel injection nozzle is used in an engine having a cylinder block and a cylinder head (11). The nozzle fixing structure includes a nozzle pressing arm (14) having a through hole (14a), which fixes ... | 08/16/2005 |
| 6626148 | Fuel pump A fuel pump comprising a plunger member reciprocable within a plunger bore, wherein the plunger member is cooperable with a drive arrangement to cause inward movement of the plunger member within the plunger bore to increase fuel pressure therein. The pum... | 09/30/2003 |
| 6575078 | Fluid motor having fluid actuated advancing elements to advance an advanceable part of the fluid motor relative to a stator part of the fluid motor A fluid motor includes a plurality of fluid actuated pistons 13 extending radially outwards from a stator and each having a cam follower bearing 14 at its outer end. A rotor surrounds the stator and includes an inwardly facing drive cam profile engaged by... | 06/10/2003 |
| 6358025 | Hydraulic rotating axial piston engine A hydraulic rotating axial piston engine having a housing, enclosing a cylinder barrel journaled in the housing for rotation around a barrel axis. The housing also has a number of circumferentially arranged cylinders with a number of pistons reciprocating... | 03/19/2002 |
| 6325051 | High-pressure fuel supplying apparatus and method for internal combustion engine In a high-pressure fuel supplying apparatus, fuel is pumped from a fuel tank by a feed pump into a fuel gallery of a high-pressure pump via a low-pressure fuel passage. The low-pressure fuel passage can include a reservoir chamber that is formed by vertic... | 12/04/2001 |
| 6196198 | Regulating device and method for manufacturing same A regulating device (1) for controlling the delivery flow in a motor-fuel injection pump is provided with a pump cylinder (2), a pump piston (3) with longitudinal groove and control edge, a piston foot (4) and an adjusting sleeve (5), the piston foot (4) ... | 03/06/2001 |
| 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 |
| 5647326 | Fuel injection pump In a fuel injection pump equipped with a plunger producing preflow effect, pressurized fuel is delivered at least in the low engine speed region by driving the plunger using a region of a cam on the decreasing velocity side of its maximum velocity point. ... | 07/15/1997 |
| 5638793 | Fuel-injection pump for internal-combustion engines A fuel injection pump for internal combustion engines in which to control the fuel injection quantities with the internal combustion engine cold, a first control edge is provided. For controlling the start of fuel injection with the internal combustion en... | 06/17/1997 |
| 5591021 | Fuel-injection pump for internal combustion engines A fuel-injection pump for internal combustion engines, particularly an in-line injection pump for diesel engine, with a control bore in the pump cylinder and with an upper control edge for determining the start of feed and an oblique spill edge for determ... | 01/07/1997 |
| 5562428 | Fuel injection pump having an adjustable inlet poppet valve A fuel injection pump driven by an electric coil, the pump including a poppet valve slidable within a fuel passage in an armature structure and relative thereto in response to movement of the armature structure relative to the pump housing and through a s... | 10/08/1996 |
| 5494420 | Rotary and reciprocating pump with self-aligning connection A self-aligning connection between a rotary and reciprocating pump piston allows relative radial movement between the pump piston and the rotary cam. The self-aligning connection is formed by a pin carried by the rotary cam and is positioned in a radial r... | 02/27/1996 |
| 5487651 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines having a pump piston guided in a cylinder liner and defining in the cylinder liner a pump work chamber, which piston cooperates with a control opening in the wall of the cylinder liner to control the h... | 01/30/1996 |
| 5398658 | Mounting and connection arrangement for a fuel injection pump Mounting and connection arrangement for a fuel injection pump in large reciprocating internal combustion engines, especially in large diesel engines with several cylinders, which include a separate injection pump (1) for separate cylinders and in which th... | 03/21/1995 |
| 5396871 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines, having a pump piston that moves in a cylinder liner and defines a pump work chamber with the cylinder. The piston has two control edges that cooperate with a control opening in the cylinder liner. One... | 03/14/1995 |
| 5364243 | Fuel injection pump In a fuel injection pump including a plunger barrel provided with a fuel pressure chamber, a plunger which reciprocates within this plunger barrel to take in fuel from a fuel reservoir chamber and deliver this fuel from the fuel pressure chamber under pre... | 11/15/1994 |
| 5322423 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines having a pump piston driven to reciprocate by a cam drive, guided axially in a cylinder bore of a cylinder bush in which with one face end the pump piston defines a pump work chamber. The control pisto... | 06/21/1994 |
| 5299919 | Fuel injector system A high pressure fuel injector system including a high pressure fuel pump useable with a pressure booster, a pressure stabilizer with a high speed tandem actuated distributor and a fuel having a fuel injector with high pressure fuel admisstion passages and... | 04/05/1994 |
| 5286178 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines, having a pump piston that is guided axially and rotationally movably in a cylinder bore of a cylinder liner and that with a face end defines a pump work chamber. The fuel injection pump pumps a quanti... | 02/15/1994 |
| 5285758 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines having a cup-shaped pump housing and a pump head enclosing the housing. The pump head has a cylinder in which a pump piston, which is set into simultaneous reciprocating and rotary motion by a cam driv... | 02/15/1994 |
| 5266014 | Prestroke adjustment mechanism for fuel injection pump A prestroke adjustment mechanism for a fuel injection pump comprises a U-shaped lever provided on the outer surface of the pump housing for rotating a timing control rod of the injection pump and a rotation limit pin provided on the same outer surface for... | 11/30/1993 |
| 5253983 | Axial piston pump having fixed slant cam plate for causing reciprocation of pistons An axial piston pump, for pumping an operating oil in a hydraulic system, comprises a rotary cylinder block having a plurality of cylinder bores formed therein and disposed at regular intervals around a rotational axis thereof. Each bore is opened at a bo... | 10/19/1993 |
| 5230615 | Fuel injection pump having oil temporarily-storing groove A fuel injection pump for injecting compressed fuel to an engine through a reciprocative motion of a plunger includes a vertically-elongated plunger barrel, and a plunger having a shaft portion which is vertically and reciprocatively slidable along the in... | 07/27/1993 |
| 5226795 | Adjustable governor plate for internal combustion engines A fuel injection pump for internal combustion engines is proposed, having a reciprocating piston that defines a pump work chamber in a pump cylinder and that on its jacket face has a control recess communicating with the pump work chamber, and a control s... | 07/13/1993 |
| 5226794 | Fuel injection pump for internal combustion engines A fuel injection pump having a pump piston in a bore of a pump cylinder, wherein the pump piston is rotatable for fuel control, and having a niche disposed in the pump cylinder for receiving a control slide, wherein the niche can be made by non-cutting sh... | 07/13/1993 |
| 5224846 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines, having a reciprocating pump piston that is guided in a cylinder liner, having a control slide that is axially displaceable on the pump piston, inside a lateral recess of the cylinder liner, and is mov... | 07/06/1993 |
| 5221196 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines having a reciprocating pump piston and an annular slide displaceable on it, with a control bore that cooperates with a control recess on the pump piston, the recess communicates with a pump work chambe... | 06/22/1993 |
| 5219280 | Fuel injection pump plunger A fuel injection pump plunger which enables the timing of the fuel injection to be controlled in accordance with the engine load, and can be used to prevent the emission of exhaust smoke and to achieve quieter engine operation, and under full-load conditi... | 06/15/1993 |
| 5217356 | Fuel injection pump A fuel injection pump that provides an improved fuel injection cutoff spill rate at high fuel pressures without degrading the mechanical strength or durability of a control sleeve that is provided with a spill port and fits over the plunger of the pump, a... | 06/08/1993 |
| 5211549 | Fuel injection pump A fuel injection pump for internal combustion engines, having a reciprocating pump piston and an annular slide displaceable on the pump piston and having a control bore which cooperates with a control recess on a pump piston that communicates with the pum... | 05/18/1993 |
| 5171133 | Fuel pump having an adjustable spring clip to regulate flow A reciprocable plunger fuel injection pump has a pump body and a plunger slidable in a bore in the body. The plunger is coupled to an arm extending outwardly from the body and movable about the axis of the plunger in order to vary the angular setting of t... | 12/15/1992 |
| 5135367 | Fuel injector A fuel injector for diesel engines, having at least one pump plunger (1), which is sealingly guided in a plunger bushing (2) and, together with said bushing, defines a high-pressure space (5). The pump plunger (1) has an internal suction valve (6) which c... | 08/04/1992 |
| 5074766 | Fuel injection pump for an internal combustion engine having pre-injection and main injection of fuel A fuel injection pump for an internal combustion engine has at least one pump piston movably disposed in a piston sleeve in a pump housing. The piston includes a first arrangement operable during a stroke in a suction direction for drawing fuel from a suc... | 12/24/1991 |