Abstract: The invention relates to a protective collar device for an animal recovering from a wound or other insult, which prevents the animal from biting, licking, nibbling, and chewing the site of an injury, wound, sutures, bandages, and the like. The protective collar of the invention has a shield fastened at the throat to a traditional collar by longitudinal straps, or by a trough-shaped material.

Abstract: A reciprocating internal combustion engine is based on Homogenous Charge Compression Ignition (HCCI) that occurs in a deformable, resonant combustion chamber and that is coupled mechanically to efficient, resonant, electro-mechanical transducers acting as motors and generators. The mechanical coupling also implements fuel/air intake valves and exhaust valves. Embedded sensors allow an electronic control system to start the engine and thereafter to maintain operational configuration of the moving components in response to the effects of imperfect mechanical fabrication and/or assembly and dynamic changes in mechanical properties of the materials with run-time temperature and engine life.

Abstract: In a cooling and heating device for an internal combustion engine having a main coolant pump supplying coolant to the engine and a coolant return line with a return flow control unit which directs the coolant return flow to the main coolant pump selectively via a large cooling circuit, in which an air/fluid cooler is arranged, or via a small cooling circuit bypassing the air/fluid cooler, an oil/coolant heat exchanger is provided for heating or cooling a flow of oil, the flow of coolant through the oil/coolant heat exchanger being controlled by means of a coolant flow control unit directing the flow through the oil/coolant heat exchanger only after a predefined coolant temperature has been reached so that, below this temperature, no heat is extracted from the coolant by the oil/coolant heat exchanger and rapid heating of the internal combustion engine is ensured.

Abstract: A control system and method to monitor an intake air temperature sensing circuit for an internal combustion engine is shown. The electronic controller is connected to the intake air temperature sensing circuit, coolant temperature sensor, and a plurality of other engine sensors. The controller determines whether the measured intake air temperature changes in response to a change in actual intake air temperature, based upon the engine operating conditions and the measured intake air temperature. The controller determines whether the measured intake air temperature is representative of actual intake air temperature, based upon the measured intake air temperature, the coolant temperature, and at least one engine operating condition. The invention is an element of an on-board diagnostic system, typically related to vehicle emissions.

Abstract: In an internal combustion engine for a motor vehicle, having a cylinder head and an engine block, each with a coolant inlet port and a coolant outlet port which is common to the cylinder head the engine block, a main coolant pump having an intake side connected to the coolant outlet port and a pressure side connected to a first control valve via which coolant reaches the inlet port of the cylinder head and the inlet port of the engine block depending on the temperature of the coolant, and to a method for operating such an internal combustion engine, wherein the main coolant pump is selectively actuated to pump the coolant through at least one of the cylinder head and the engine block or is shut down depending on the engine operating state.

Abstract: A two-cycle, opposed piston engine with side-mounted crankshafts and cylinders isolated from mechanical stresses of the engine includes tailored cooling of cylinders and symmetrical cooling of the interior surfaces of piston crowns. Each opposed piston includes a compliant member that permits movement of an axially-centered rod mounted in the piston in order to maintain axial alignment with the bore of a cylinder in which the piston is disposed during engine operation. A single wristpin is disposed externally of the piston to connect the piston with connecting rods that run between the piston and the crankshafts.

Abstract: In an engine for a motorcycle, a main shaft is supported rotatably by first and second support walls of a lower case which constitutes a part of a crank case. The center distance between the crank shaft and the main shaft is to be shortened while attaining a reduction in the number of parts and the number of assembling steps. A first bearing hole is formed in a first support wall for fitting therein and holding a first bearing which is mounted on one end of the main shaft. A second bearing hole is formed in a second support wall which permits the main shaft to be inserted therein from an opposite end side of the main shaft until one end of the main shaft is fitted in the first bearing. A second bearing is fitted and held in the second bearing hole so as to be fitted on the main shaft from the opposite end side of the main shaft after fitting of one end of the main shaft into the first bearing.

Abstract: A two-stroke engine (1, 31, 41, 51) includes a cylinder (2) having a combustion chamber (5). The combustion chamber (5) is delimited by a piston (7) which drives a crankshaft (25) rotatably journalled in a crankcase (3). The two-stroke engine (1, 31, 41, 51) includes a fuel line (14) wherein an electromagnetic valve (18) is mounted. The valve (18) is controlled by a control unit. An air channel (27) is provided for supplying combustion air. The two-stroke engine (1, 31, 41, 51) has at least one transfer channel (12) which connects the combustion chamber (5) to the crankcase (3) at pregiven piston positions. An ignition module (20, 30) is provided which triggers the ignition of a spark plug (8) projecting into the combustion chamber (5). The valve (18) and the control of the valve (18) are integrated into the ignition module (20, 30).

Abstract: The invention is directed to a method for operating a two-stroke engine having a cylinder in which a combustion chamber is formed and which includes devices for metering fuel and supplying combustion air as well as an ignition device for igniting a mixture in the combustion chamber. In the method, fuel and combustion air are supplied to the engine and the mixture in the combustion chamber is ignited. The combustion chamber is delimited by a piston which drives a crankshaft rotatably journalled in a crankcase. A control is provided which controls the metering of fuel and the ignition of the mixture in the combustion chamber. In the method, the two-stroke engine is controlled in at least one operating state so that the number of combustions is less than the number of revolutions of the crankshaft in the same time interval.

Abstract: The present invention is a novel non-splined shaft for connecting cam units (cam sections) in a series to construct a camshaft having zero degree backlash for use within an engine. Such engines typically use a camshaft comprised of a plurality of separate camshaft units (cam sections) which are connected in a series by one or more cam connecting shafts. The entire series of camshaft units and cam connecting shafts may be, for example, 40 feet in length. Examples of natural gas engines in which the cam connecting shafts described herein may be used include, but are not limited to, the Ingersoll-Rand KVR and KVT series of engines.

Abstract: A shaft mechanism, in particular a camshaft of an automotive engine, comprising two concentric contra-rotating shafts mounted one inside the other, namely an inside shaft (1) and an outside shaft (2), at least one cam (3) rotatably mounted on the outside shaft (2), fixedly connected to the inside shaft (1) radially through the outside shaft (2) via a fastening mechanism (5), a sleeve (6) gripped by the fastening mechanism (5) and inserted fixedly into aligned boreholes in the inside shaft (1) on the one hand and in the cam (2) on the other hand, a core (7) that widens the material of the sleeve (6) within its elasticity limits in the area of the inside shaft (1) and is inserted into the sleeve (6) after insertion of the latter into the shaft mechanism, is to be improved with respect to satisfactory mountability.

Abstract: A device for controlling variable gas exchange valves of an internal combustion engine is provided, in which an actuator control operates gas exchange valves by controlling valve actuators while taking into consideration supplied state variables and control specifications. Before the actuator control is cleared to operate the gas exchange valves, a collision protection device checks at least whether controlling the valve actuators using the supplied control specifications would lead to a collision of a gas exchange valve with an additional gas exchange valve. In response to a detected possible collision, the collision protection device initiates at least one measure that prevents a possible collision.

Abstract: A hydraulic valve driving device includes a valve actuator operable to drive an engine valve, a hydraulic pump that generates the oil pressure for the valve actuator, a hydraulic pump driving motor that drives the hydraulic pump, and a starter motor. At the time of engine starting, after the hydraulic pump is driven by the hydraulic pump driving motor while the crank is stopped in the first engine-starting mode, and then the crank and the hydraulic pump are driven by the starter motor in the second engine-starting mode.

Abstract: The invention relates to a rocker actuator (1) switchable to different cam travels. The inventive rocker actuator (1) comprises an external lever (2) which is arranged between the arms (3) and to which an internal lever (4) is pivotally connected.

Abstract: In a vehicle monitoring method, recognition processing of a specific character pattern of a vehicle is performed by extracting a specific character pattern area from a taken image data. When the specific character pattern cannot be recognized, a compression range is judged as being a vehicle area clipped from the taken image data, and image data of the clipped area is compressed at a low compression ratio. When the specific character pattern is partially recognized, the compression range is judged as being the specific character pattern area clipped from the taken image data, and image data of the clipped area is compressed at the low compression ratio. When the specific character pattern is fully recognized, the compression range is judged as being the specific character pattern area clipped from the taken image data, and image data of the clipped area is compressed at a high compression ratio.

Abstract: A method of making a rocker arm is provided that includes the integration, into a single piece, of three separate parts namely, a central longitudinal member, a push-rod plate; and a valve end plate in which the push-rod plate and the valve end plate are secured to opposing ends of the central member to create the integrated rocker arm.

Abstract: An engine has variable-valve mechanisms. An engine control system has an engine control unit for executing automatic stop and start control. At an automatic-stop, the variable-valve mechanisms are controlled to obtain a valve operation characteristic suitable for a restart of the engine. When a catalyst is in an inactivated state, the variable-valve mechanisms are controlled to reduce the amount of residual gas leaking out from cylinders. At an automatic-start, the control of the variable-valve mechanism is prohibited and an intake air is adjusted by using a throttle valve. At an automatic-stop, the engine speed is abruptly reduced so that the engine speed passes through a resonant revolution speed area in a short period of time. When the voltage of a battery is low, the control of the variable-valve mechanism may be prohibited.

Abstract: In an engine cover mounting structure, an internal portion of an elastic member comprises a small diameter hole portion having a small inside diameter and a large diameter hole portion having a large inside diameter which continues to the small diameter hole portion, the relationship between an outside diameter W1 of a head portion which engages with the elastic member and an inside diameter W2 of the small diameter hole portion is set to be W1>W2, and the relationship between an inside diameter W3 of the large diameter hole portion and an outside diameter W4 of a leg portion is set to be W3?W4, the large diameter hole portion and the small diameter hole portion are made to communicate with each other in a step-like fashion, and at least part of a portion to be restrained is provided on an outer circumferential side of the large diameter hole portion.

Abstract: An internal combustion engine includes a piston (2) and a crankshaft (33). The crankshaft (33) includes: a journal (33A) as a rotation center; a crank pin (33B) that is located eccentrically with respect to the journal (33A) and rotates integrally with the journal (33A), the crank pin (33b) connecting the piston (2) to the crankshaft (33); and a counter weight (33C) that is located eccentrically with respect to the journal (33A) in a direction opposite to the crank pin (33) and rotates uniformly with the journal (33A). A cutout (11) through which the counter weight (33C) passes is formed in a wall (1) of a cylinder bore that accommodates the piston (2) so as to be free to move reciprocally along the wall (1). As a result, the bottom dead center position of the piston can be lowered, and the overall height of the engine can be decreased.

Abstract: A method for controlling a fluid quantity in an internal combustion engine is provided for an internal combustion engine having an engine shaft and an operation cycle that includes at least one intake phase, one proportioning phase, one combustion phase in a combustion chamber of the engine, an engine intake system, an exhaust system having a duct for removing fluid from the combustion chamber, and a timing system to control an opening and a closing of the exhaust system duct. The method includes keeping an exhaust valve open for an adjustable time length in an initial part of the intake, proportioning and compressing phase and entering an amount of fuel corresponding to the amount of air remaining in the compression chamber after closing the exhaust valve in a subsequent part of the intake, proportioning and compression phase.

Abstract: A fuel injection equipment to control the instability of combustion when the airflow is weak, and improve the fuel cost. A fuel injection equipment for an cylinder injection type and spark ignition type internal combustion engine that injects gasoline directly to a combustion chamber, wherein the top angle at the point of fuel spray in the pressurized atmosphere of absolute pressure 0.5 MPa is from ?10° to 10°. Further, the fuel is injected at the compression stroke of the internal combustion engine which installs the fuel injection equipment, and said internal combustion engine is started.

Abstract: In a method for enlarging the control range for equalizing injection quantity differences, in particular in internal combustion engines using multiple injections, if the maximum injection quantity of all the individual injections of an injector of the internal combustion engine is lower than the minimum quantity required for control for equalizing the cylinders, then the injection pattern is changed such that the injection quantity of at least one individual injection is greater than or equal to the required minimum quantity, without changing the torque output of the internal combustion engine.

Abstract: A system (10) and method for the induction of a fluid into the combustion chamber (15) of an internal combustion engine comprising a cylinder head (12) having at least one intake port (14) communicating with at least one combustion chamber (15) via a valve seat (22) disposed about the intake port (14), and at least one intake valve (16) provided with a valve head (20) having a valve face (21) engageable with the valve seat (22). The valve head (20) is connected to an elongate valve stem (18) that is mounted in the cylinder head (12) for controlling the intermittent flow of fluid from the intake port (14) to the combustion chamber (15).

Abstract: To improve design freedom of fuel supply piping in a V-type engine, and avoid heat from cylinders, first and second fuel distribution pipes (8, 9) are arranged in one side walls (1a, 3e) and the other side walls (1h, 3a) respectively of first and second throttle bodies (1, 3), first and second fuel injection valves (J1, J2) are held to the one side wall (1a) and the other side wall (3a) respectively, first and second fuel connection pipe portions (8e, 9e) protrude toward the other direction X from a first fuel passage boss portion (8a) of the first fuel distribution pipe (8), and one direction Y from a second fuel passage boss portion (9a) of the second fuel distribution pipe (9) respectively, and the first and second fuel connection pipe portions (8e, 9e) are connected to a fuel coupling pipe (13) above inflow ends (1g, 3g) of the first and second throttle bodies and between facing walls (1d, 3d).

Abstract: A method and a device for controlling a drive unit which allow an improved transition between idle regulation and drive unit propulsion are provided. A setpoint value for an output variable of the drive unit is predefined, it being possible to modify the setpoint value as a function of at least one reducing request and as a function of at least one load to be compensated for. The ratio of a first priority request for the modification of the predefined setpoint value as a function of the at least one load to be compensated for to a second priority request for the modification of the predefined setpoint value as a function of the at least one reducing request may be varied for different drive unit operating states.

Abstract: In one aspect, an internal combustion engine includes a fuel injector for injecting fuel into a combustion chamber to produce an air-fuel mixture in the combustion chamber, a spark plug for igniting the air-fuel mixture to cause combustion in the combustion chamber and a controller controls the spark plug to cause combustion in the combustion chamber to apply a torque to start the engine from a stopped condition. The controller determines whether the operation of the engine will be stopped, and adjusts an operating condition of the engine if the controller determines the engine operation will be stopped.

Abstract: An engine system includes an engine and an engine control unit. The engine includes an intake valve that opens and closes the opening of a cylinder, a valve actuator that drives the intake valve and can arbitrarily control the lift amount of the intake valve, an intake passage that introduces air and fuel into the cylinder through the opening of the cylinder, and a throttle valve provided to open and close the opening of the intake passage and control the quantity of air to be introduced into the cylinder in response to a load required by a driver. During intake operation in substantially all the load states of the engine, the valve actuator is controlled so that the opening area of the opening determined by the lift amount of the intake valve is not less than the opening area of the opening determined by the opening degree of the throttle valve.

Abstract: With the throttle apparatus of the present invention having a throttle valve 30 disposed at an intake passage, a throttle shaft 240 to open and close the throttle valve 30, a DC motor 51 to drive the throttle shaft 40, and so on, a second drive means 60 is disposed to exert return force to the throttle shaft 40 only for returning the throttle valve 30 to the rest position. With this structure, since return force is not exerted with a normal operation, load to the DC motor 51 is decreased, and an open-close operation can be preformed smoothly. By returning the throttle valve to the rest position utilizing other means than spring force, load to the motor is decreased, and open-close operation is smoothed.

Abstract: An engine control device can include a throttle valve for adjusting an amount of air supplied to an engine, operation amount detecting sensors for detecting an operation amount of a throttle lever, a motor for driving the throttle valve between open and closed positions according to detection values of the operation amount detecting sensor 21a or the like, and throttle opening detecting sensors for detecting an opening of the throttle valve is provided with a limp-home mechanism for keeping the throttle valve in a mechanically neutral position when an abnormality occurs. When the throttle valve is in the mechanically neutral position, an ignition timing control can be switched in a stepwise manner over a predetermined time period from a regular ignition timing control to a limp-home ignition timing control.

Abstract: A transmitting case includes a first case half integrally formed on one side of a throttle body, and a second case half coupled to the first case half. A first assembly is constructed by disposing a final gear inside the first case half and securing it to one end of a valve shaft. A second assembly is constructed by mounting on the second case half an electric motor and an intermediate gear of a speed reduction device for transmitting the rotation of an output shaft of the electric motor to the final gear. Upon coupling of the first case half and the second case half, the intermediate gear and the final gear are meshed with each other. Thus, there is provided an engine intake control system having an excellent assemblability and an improved accuracy of throttle valve opening degree.

Abstract: A common use pedal device for automotive vehicles comprises a base plate and a pedal pivotably attached to the base plate and having a push rod extending downwards from an underneath surface of the pedal. A rotating member is mounted to the base plate in such a manner that the rotating member can be depressed and rotated by the push rod of the pedal, the rotating member having a pulling arm adapted to pull a manual operating cable in response to rotation of the rotating member. A rotation detecting sensor is provided on one side of the base plate for detecting the degree of rotation of the rotating member and then notifying an electronic control unit of the degree of rotation thus detected. This pedal device can be employed in common in a manually controlled pedal type vehicle and an electronically controlled pedal type vehicle.

Abstract: A spark advance controller capable of controlling spark advance in an internal combustion engine with high accuracy without requiring a larger number of data maps and performing laborious optimization tests using an actual engine. In the spark advance controller, map data for controlling the spark advance is computed by a numerical simulator simulating an internal combustion engine, and the map data for spark advance control is approximated with a regression model. The spark advance is computed by using the regression model depending on the detected operating conditions.

Abstract: A fuel injection system for supplying pressurised fuel to a fuel injector, the fuel injection system comprising an accumulator volume for supplying fuel at a first injectable pressure level to the fuel injector through a fuel supply passage, a pump arrangement for increasing the pressure of fuel supplied to the injector to a second injectable pressure level, and a valve arrangement operable between a first position in which fuel at the first injectable pressure level is supplied to the injector and a second position in which communication between the injector and the accumulator volume is broken so as to permit fuel at the second injectable pressure to be supplied to the injector. The injection system may include a valve arrangement in the form of a three-position valve or may include a shut off valve for controlling the supply of fuel through the fuel supply passage.

Abstract: A fuel injection rail includes a rail body including an upper case 30 made of a metal and an injector holding member 32 made of a resin, provided in its outer surface with recesses 35 in which holding parts 37 of the upper case 30 engage and a sealing groove 38 spaced from the recesses 35; and sealing means 39 placed in the sealing groove 38 to seal the joint between the upper case 30 and the injector holding member 32. The fuel injection rail can be readily assembled. The joint between the upper case 30 and the injector holding member 32 is sealed with high reliability.

Abstract: The fuel supply system of an internal combustion engine includes an electronic control unit (ECU) for transferring the engine from a state in which a high-pressure fuel pump does not deliver any pressurized fuel to a state in which the high-pressure fuel pump begins to deliver the pressurized fuel by gradually varying an output period of a drive signal for controlling opening/closing behavior of a solenoid valve while monitoring changes in fuel pressure detected by a pressure sensor, and for estimating a mounting error between angular mounting positions of the high-pressure fuel pump and a pump actuating cam with reference to a rotation signal from a state of the solenoid valve drive signal when a change in the fuel pressure has been detected. The solenoid valve drive signal is corrected based on the value of the mounting error estimated by the ECU.

Abstract: An engine of spark-ignition type injects fuel from an injector (3) into an intake port (2) provided in a cylinder head (1). In this engine of spark-ignition type, the injector (3) has fuel injection holes oriented toward an inner wall surface of the intake port (2) and makes a start (3a) of the fuel injection during an exhaust stroke of each of cylinders (5) and (6). The injected fuel is adapted to collide against the inner wall surface of the intake port (2). Preferably, the start (3a) of the fuel injection is made at a later half portion of the exhaust stroke of each of the cylinders (5) and (6). More preferably, the start (3a) is made during a term of 31 degrees to 25 degrees of a crank angle before the end of the exhaust stroke.

Abstract: A direct injection valve in a cylinder head (1) consists of a cylindrical housing comprising the following components: a valve (16) for dosing a fluid by means of a valve needle (15), an actuator (2) for generating a stroke acting on the valve needle, and a fluid supply to the valve (16). In order to minimise the heat transfer from the cylinder head (1) to the injection valve, an air gap (3) surrounds the housing of the injection valve, maintaining the housing and the cylinder head at a distance from each other.

Abstract: In a method of controlling an internal combustion engine with a common rail fuel injection system including individual fuel storage chambers for the supply of fuel to the various cylinders of the internal combustion engine, a fuel pressure (pE(i)) is determined during a measuring interval (MESS) and is stored, the existence of a significant change in the fuel pressure is determined as an injection begin (SB=f(pE(i), Phi)) or an injection end (SE=f(pE(i)), Phi), a virtual injection begin is calculated by way of a mathematical function (FKT) depending on the injection end (SE), and the virtual injection begin (SBv) is used as the actual injection begin (SB) for the subsequent control of the internal combustion engine.

Abstract: A positive displacement supercharger apparatus and its method of formation are provided for use in an inline cylinder engine. The positive displacement supercharger is structurally supported by a non-OEM intake manifold. The non-OEM intake manifold provides efficient structural support, direct and efficient air flow path, and implementation flexibility. The non-OEM intake manifold further comprises an optional air charge cooling device, plenum volume and inlet runners that are integrally connected to form the non-OEM intake manifold. The disclosed positive displacement supercharger apparatus is configured to receive air flow from the rear of the device through appropriate ducting on the intake side of the inline engine.

Abstract: In order to average the continuously sampled individual values of the measuring signal through totaling over a summation period (TP1, TP2), said period corresponding to the period, dependent on engine speed, of pressure pulsations of the exhaust, while at the same time sparing the memory resources, it is proposed for totaling to be carried out across the N1 individual values block-by-block and already to start before signal updating so that the block values already formed continuously block-by-block up to the update time (tn) and buffered instead of the respective individual values are used for calculating an average.

Abstract: The present invention is directed to a fall away arrow rest system for use with a compound bow having a string. The arrow rest system is adapted to support a shaft of an arrow while a tail section of the arrow engages with the string for shooting of the arrow. The arrow rest includes a housing, a rotatable shaft having a first portion mounted with and supported by the housing and a second portion extending from the housing, a launcher and a pair of arms defining a channel therebetween for accepting the arrow shaft, an activator operative to selectively urge rotation of the rotatable shaft and movement of the launcher from an upright arrow support position to a lowered position, and including a locking component moveable from an engaging position to releasably lock the position of the rotatable shaft when the launcher is at the upright arrow support position, and a disengaging position.

Abstract: A shroud made of a resilient, form fitting material reinforces and stabilizes the attachment of a hopper to the feed chute of a paintball gun. The shroud includes a main body sized and configured to at least partially surround and snugly engage the exterior of the hopper. Straps extend from the main body and are adapted to be adjustably secured about the barrel of the paintball gun using cooperatively positioned releasable fasteners so that the straps and main body are pulled taut about the hopper and paintball gun barrel.

Abstract: Each of a set of substitutable paintball magazines quickly attaches to a coupling feeder mounted on the ammunition intake port of a paintball marker, replacing the traditional hopper and sets of paintball cartridges. The coupling feeder includes a motor-driven paintball feeding mechanism.

Abstract: A paintball feeding apparatus includes a paintball reservoir, and a housing mounted under the paintball reservoir with an inlet opening communicating with the paintball reservoir such that paintballs can move from the paintball reservoir though the inlet opening. The housing defines an outlet opening at a front end thereof adapted to be connected to a paintball gun feed tube. An auger is rotatably mounted in the housing such that pockets are formed between the auger flights, the pockets configured to receive and maintain a paintball in each pocket. A drive is operative to rotate the auger to move paintballs out the outlet opening.

Abstract: A paintball and propellant storage and dispensing apparatus provides a storage belt, backpack or other torso mounted carrier equipped with a propellant cylinder connector of propellant conduit connected to a propellant delivery assembly is directly or indirectly connected to the marker of the apparatus by a propellant feed hose; and also provides one or more or paintball pods connected to a paintball distribution mechanism that feeds paintballs to the marker through a delivery tube. Both the supply of propellant and the supply of paintballs are carried on the torso of the player, positioned remote from the marker, thereby easing the weight on the player's wrist.

Abstract: A bolt for a pneumatic paintball gun is preferably slidable between an open and a closed position. The bolt preferably provides a firing mechanism for the paintball gun by permitting compressed gas to flow through the bolt to fire the paintball gun when the bolt is closed but preventing the transfer of compressed gas through the bolt when the bolt is open. This can be accomplished, for instance, by arranging a sealing member in communication with a surface of the bolt. A port is also preferably arranged through a lateral sidewall of the bolt at a predetermined location. The bolt preferably slides in relation to the sealing member such that when the bolt is open, the sealing member prevents compressed gas from flowing into the bolt, but when the bolt is closed, compressed gas is permitted to flow into the bolt. The bolt is preferably controlled by using a control valve such as an electronic solenoid valve to operate a pneumatic piston.

Abstract: A quiver lock assembly includes a quiver lock including a base section that has a rectilinear shape and oppositely disposed end portions laterally spaced from a support member of the bow. The base section is aligned subjacent to the central support member and is provided with juxtaposed recessed notches spaced along the longitudinal length thereof. The recessed notches are sized and shaped for receiving and maintaining the projectiles. The assembly further includes articulated locking arms pivotally connected to the base section. Each locking arm is provided with an arcuate inner edge engageable with the projectiles such that the user may bias one of the locking arms and remove one of the projectiles. The locking arms are formed from non-skid rubber material for maintaining effective contact with the projectiles and are positioned distal to the base section for assisting the user to manipulate the locking arms between open and locked positions.

Abstract: A saw for cutting a surface with a rotatable blade. The saw includes a rotary motor having a rotatable rotor and a rotatable output shaft. A rotatable blade mounting member is operatively coupled to the output shaft of the rotary motor such that rotation of the output shaft causes rotation of the blade mounting member. A steering assembly having one or more wheels provides steering control of the saw.

Abstract: A cooking apparatus that is capable of effectively cooling a heat reflecting unit without increasing a temperature thereof, thereby preventing oil dropped onto the heat reflecting unit from being burnt. The cooking apparatus includes a grill unit disposed on a body of the cooking apparatus, a plurality of heating units mounted at sides of an interior of the body while being inclined toward the grill unit, and a heat reflecting unit disposed under the grill unit in the body. The heat reflecting unit includes a pair of partitions disposed in the longitudinal direction thereof while being opposite to the heating units, respectively, such that an interior of the heat reflecting unit is partitioned into a pair of side channels and a central channel by the partitions. The cooking apparatus further comprises cooling fans mounted in front of the side channels, respectively, to cool the heat reflecting unit.

Abstract: A fireplace afterburner is presented including a shell having a first open shell end for receiving fireplace emissions and a second open shell end for expelling fireplace emissions, a flue inside said shell having a first flue end which can be closed, and a second flue end which is open, wherein when the first flue end is closed fireplace emissions flow around said flue, and wherein when said first flue end is open fireplace emission flow through said flue, a heating element connected to said shell and encircling said flue, wherein said heating element heats emissions that pass in proximity to the element, and a catalyst bed connected to said shell and encircling said flue. A method for reducing products of incomplete combustion in fireplace emissions is presented including receiving fireplace emissions into a shell, heating said fireplace emissions to at least 1501° F. (816° C.), reacting said fireplace emissions with a catalyst substrate, and releasing the results of said reaction from said shell.