Abstract: A powertrain unit includes a hydraulic continuously variable transmission including a transmission housing, and a dipstick for checking an oil level in the housing. The width of the powertrain unit is reduced by positioning the dipstick laterally inside the housing. The hydraulic continuously variable transmission includes a fixed-displacement swash plate plunger pump and a variable displacement swash plate plunger motor, which are connected through a closed hydraulic circuit. The outer circumference of a portion of a pump casing of the plunger pump for is reduced in diameter to form a reduced diameter portion. The dipstick is positioned so that a gauge portion thereof extends from an area near the outer circumference of the reduced diameter portion down to the bottom of the transmission housing.

Abstract: Shape memory actuators for use with repetitive motion devices are provided. The present invention includes a method of urging a working end of a repetitive motion work arm into a work surface in which the working end is positioned to repetitively move across. This method may include providing a work arm having a working end positioned to repetitively move about a predetermined path of a work surface. This method may also include repetitively moving the working end of the work arm about the predetermined path of the work surface and urging the working end of the work arm into the work surface by activating a shape memory alloy actuator in physical communication with the work arm. The present invention also includes a method of urging a wiper blade towards a non-opaque surface of a motor vehicle.

Abstract: The MEMS cantilever actuator is designed to be mounted on a substrate. The actuator comprises an elongated hot arm member having two spaced-apart portions, each provided at one end with a corresponding anchor pad connected to the substrate. The portions are connected together at a common end that is opposite the anchor pads. It further comprises an elongated cold arm member adjacent to and substantially parallel of the hot arm member, the cold arm member having at one end an anchor pad connected to the substrate, and a free end that is opposite the anchor pad thereof. A dielectric tether is attached over the common end of the portions of the hot arm member and the free end of the cold arm member. This MEMS actuator allows improving the performance, reliability and manufacturability of MEMS switches.

Abstract: A vehicle braking system master cylinder that can handle pressure pulses within the brake fluid of a vehicle braking system without the destruction of components internal to a master cylinder. A vehicle braking system master cylinder that allows for component subassembly external to the master cylinder and is self-aligning when assembled. Finally, a vehicle braking system master cylinder that allows for variable travel of the primary piston and the secondary piston within the master cylinder and greater fluid flow in the vehicle braking system.

Abstract: A fluid machine for a waste heat collecting system for an internal combustion engine has an object to make most use of the collected waste heat and an operation of a compressor, an alternator or the like by a rotational driving force from an expansion device function well even during an engine running is stopped. The fluid machine according to the present invention has a pulley connected to the engine, an expansion device for generating a rotational driving force from the collected waste heat, a compressor device driven by the pulley and the expansion device, wherein a rotating shaft is commonly used for the pulley, the expansion device and the compressor device. The expansion device is an expansion device for changing its expansion volume, so that the Rankine cycle for collecting the waste heat can be operated most effectively.

Abstract: An in-line filter assembly for filtering engine exhaust gases utilized by turbocharged internal combustion engine systems. The filter assembly includes an external housing having a lower housing section and an upper housing section. The upper housing section further includes an air inlet port and an air outlet port A filter unit for decontaminating the exhaust stream is positioned below the air inlet port. An interior chamber is in communication with the outlet port and surrounds the filter unit. A spring positioned directly beneath the filter unit stabilizes the filter unit within the chamber and urges the filter unit upward into sealing engagement with the inlet port. The lower housing section also includes a sump for collecting contaminants captured by the filter unit.

Abstract: This invention is an engine where the working fluid may be in either a closed circuit or an open circuit. The engine may be powered by heat stored in an easily rechargeable high temperature phase change system or by heat of combustion directly. Also disclosed is a portable device incorporating the engine optionally as a) an electrical generator b) a source of refrigeration in remote environments c) a source of rotating mechanical power in remote environments. Also disclosed is a stationary device incorporating the engine and phase change thermal storage system as a co-generating heating and refrigeration system for widespread application. Also disclosed is a vehicle catalytic converter pre-heater incorporating a phase change thermal storage system and engine.

Abstract: The invention concerns a method for driving at least a compression machine (7, 8) of an air distillation unit (3) which supplies oxygen and/or nitrogen and/or argon to an industrial plant (1) producing water vapour. In normal running conditions, the compression machine is driven at least partly by a steam turbine (13) fed with said water vapour, which is input at an input port (15) of the turbine. The turbine has two input ports (15, 16) which correspond to different intake pressures. During at least one operating phase of said plant (1), the turbine is partly supplied with water vapour from an auxiliary water vapour source (21) and input at the turbine other input port (16). The invention is useful for supplying air gas to a synthetic hydrocarbon production plant.

Abstract: An exemplary heat exchange system includes a first stage including a first stage heat exchanger and a tower wherein the first stage heat exchanger exchanges heat between a fluid and air to thereby heat the air and generate air convection in the tower; and a second stage including a second stage heat exchanger and a powerable convection unit wherein the second stage heat exchanger receives the fluid from the first stage and exchanges heat between the fluid and air. An exemplary method includes transferring heat energy from a fluid to air using a first heat exchanger to cause air convection in a tower; and transferring heat energy from the fluid to air using a second heat exchanger and a fan. Various other exemplary systems and methods are also disclosed.

Abstract: A combustion chamber suitable for a gas turbine engine is provided with at least one Helmholtz resonator having a resonator cavity and a damping tube in flow communication with the chamber interior. The damping tube is provided with at least one cooling hole extending through its wall for improved damping and cooling.

Abstract: A gas turbine combustion system having reduced emissions and improved flame stability at multiple load conditions is disclosed. The improved combustion system accomplishes this through complete premixing, a plurality of fuel injector locations, combustor geometry, and precise three dimensional staging between fuel injectors. Axial, radial, and circumferential fuel staging is utilized including fuel injection proximate air swirlers. Furthermore, strong recirculation zones are established proximate the introduction of fuel and air premixture from different stages to the combustion zone. The combination of the strong recirculation zones, efficient premixing, and staged fuel flow thereby provide the opportunity to produce low emissions combustion at various load conditions.

Abstract: A method for monitoring and diagnosing the combustion dynamics of a gas turbine engine system includes mounting at least one sensor on an external surface of at least one combustor can, receiving a signal from the sensor mounted to the combustor can, validating an accuracy of the signal from the sensors, determining the combustion dynamics of the can based on the received signals, and generating an indication when a combustion dynamic threshold has been exceeded.

Abstract: A gas turbine engine combustor defining a combustion zone therein and being adapted for receiving compressed air from a compressor. The combustor comprises inner and outer walls spaced-apart by a predetermined spacing distance and defines a cavity therebetween. The outer wall has a first area defining at least an impingement aperture therein, the impingement aperture permits fluid flow communication between the compressor and the cavity. The inner wall has a second area corresponding to the first area and defines a plurality of effusion apertures therein, the effusion apertures permitting fluid flow communication between the cavity and the combustion zone, and each of the effusion aperture defines a cross-sectional area smaller than that of the impingement aperture. The effusion apertures are disposed in groups having a predetermined geometric arrangement relative to the impingement aperture and define a ratio of number of effusion apertures to the impingement aperture of between about 2:1 and about 4:1.

Abstract: Methods and apparatus for personal heat control are provided. According to one embodiment of the present invention, a self-contained, portable heat control device includes a flexible enclosure, a cooling surface, a heating surface, and a heat transfer unit, such as a Peltier-effect unit. The flexible enclosure, made of one or more bonded layers of polyester (polyether) foam or a similar soft-faced material, is configured to accommodate an internal DC power supply. The heating surface is thermally insulated from the cooling surface. The heat transfer unit is accommodated in or on the flexible enclosure and is configured and disposed to cool the cooling surface and heat the heating surface.

Abstract: A temperature adjustment device has a first thermoelectric cooling module, a second thermoelectric cooling module on which the first thermoelectric cooling module is provided, and a heat generating element which is provided on the first thermoelectric cooling module and a temperature thereof is adjusted, where assuming that a substrate area of the first thermoelectric cooling module on which the heat generating element is provided is S1 (mm2) and that an amount of generated heat of the heat generating element is Qd (mW), the relationship of 20≦Qd/S1≦200 is met.

Abstract: Methods of collecting, thawing, and extending the useful polarized life of frozen polarized gases include heating a portion of the flow path and/or directly liquefying the frozen gas during thawing. A polarized noble gas product with an extended polarized life product is also included. Associated apparatus such as an accumulator and heating jacket for collecting, storing, and transporting polarized noble gases include a secondary flow channel which provides heat to a portion of the collection path during accumulation and during thawing.

Abstract: In a method for the disposal of the boil-off gas in a cryotank, an energy-converting unit is temporarily operated even in phases of non-use in order to burn the boil-off gas. Preferably the start-up and/or the duration of the operation of the energy-converting unit is controlled by an electronic monitor module according to the pressure level in the cryotank. A preferred case of operation is represented by a motor vehicle with a cryotank for supplying a vehicle driving unit or a fuel cell for the generation of electrical energy, wherein the drive unit or the fuel cell of the shut-down, unused motor vehicle is automatically started up temporarily automatically in order to burn boil-off gas.

Abstract: A system including (i) a primary loop including a first oil compressor configured to raise the pressure of a refrigerant flowing through the primary loop, an oil separator configured to separate oil contaminant from the refrigerant, a valve configured to return the separated oil back to the first oil compressor, at least one heat exchanger, and a first expansion element; and (ii) a secondary loop including a primary/secondary heat exchanger, the primary/secondary heat exchanger also forming a part of the primary loop; wherein the refrigerant includes constituents (a) that function as a solvent of the oil contaminant which fail to be separated from the refrigerant and (b) that at least substantially condense in the primary/secondary heat exchanger.

Abstract: A process for cooling animal carcasses from a kill temperature to a temperature at which deterioration is substantially prevented comprises circulation of refrigerated air over the carcass to freeze an outer layer of the carcass, followed by application of water to the carcass to form a sufficiently continuous layer of ice on the carcass. Preferably, the carcass is chilled by a multi-stage quick chill process in which the carcass is exposed to super-cooled, high velocity air. Immediately before or immediately after formation of the ice layer, the carcass is transferred to a refrigerated chamber to allow the interior and exterior of the carcass to equilibrate to the temperature at which deterioration is substantially prevented. The inventors have found that this process provides reduced moisture loss and reduced bacterial loading over prior art processes in which water is applied to the carcass during the quick chill process.

Abstract: A refrigeration defrost system including at least one frosted evaporator having an evaporator refrigerant vapor line and an evaporator refrigerant liquid line, comprises a first compressor having a suction inlet line and a discharge outlet line each connected to a discharge manifold, the discharge outlet being connected to said evaporator refrigerant vapor line. A first pressure regulator valve disposed in a refrigerant bypass passageway between the discharge manifold and the suction inlet line, feeds refrigerant vapor, when a defrost cycle is required, from the discharge manifold into the suction inlet line. The refrigerant vapor is fed from the first compressor into the discharge outlet line and into the frosted evaporator through the evaporator refrigerant vapor line, thereby defrosting said frosted evaporator. Also disclosed is a method of defrosting a frosted evaporator using a single, dedicated defrost compressor.

Abstract: A method of reducing superheat fluctuation and improving evaporator heat transfer comprises creating turbulent flow in refrigerant supplied to the evaporator.

Abstract: An electromagnetic clutch for a compressor includes a rotor, an armature, an electromagnetic coil for bringing the rotor into contact with the armature and for separating the rotor from the armature, and a temperature detection device, such as a temperature fuse or a temperature switch, or both, for detecting an excessive increase in temperature ascribed to slippage between the rotor and the armature or a temperature increase of refrigerant discharged from the compressor. An electric circuit of the temperature detection device is separated from the electric circuit of the electromagnetic coil. An abnormal condition may be accurately detected by the separate circuit structure, and a proper response to the abnormal condition may be taken quickly.

Abstract: A compressor is controlled by generating and storing a compressor operation log. In addition, a compressor operation is selected from the compressor operation log in response to a sensor failure. Furthermore, the compressor is modulated according to the selected compressor operation in response to the sensor failure.

Abstract: In an ejector cycle having an ejector, a decompression amount of refrigerant between a gas-liquid separator and an evaporator is adjusted by a differential pressure control valve, so that a pressure increasing amount in a pressure increasing portion of the ejector is controlled to be equal to or lower than a predetermined amount. Therefore, a suction pressure of refrigerant to be sucked to the compressor can be restricted from being excessively increased in accordance with the increase of the pressure increasing amount in the ejector, and it can prevent heat radiating capacity of a radiator from being decreased. Thus, a sufficient cooling capacity can be always obtained in the ejector cycle.

Abstract: Systems and methods for providing a current control loop for an actuator. A typical system includes a current command controller setting a command current, the current command controller being coupled to a drive circuit used to drive the actuator and a sampling module sampling a motor current of the actuator. The system also includes a summation module calculating a current error based on the motor current, the current error being calculated by subtracting the motor current from the command current. The current error is used to compensate for an error in the motor current of the actuator. The sampling module can include a switch and a capacitor coupled in parallel with the resistor when the switch is on, a charge on the capacitor being proportional to the voltage drop across the resistor. Methods for setting a maximum control current and for providing the current control loop are also illustrated.

Abstract: A refrigeration system both cools and heats frozen dessert mix in at least two hoppers and at least two freezing cylinders. A liquid line solenoid valve at the inlet of each of the hoppers and the freezing cylinders controls the flow of refrigerant from the condenser. A hot gas solenoid valve at the inlet of each of the hoppers and the freezing cylinders controls the flow of hot refrigerant from the compressor. The system further includes a hot gas bypass valve that is opened when only the hoppers are being cooled to provide additional compressor load. An EPR valve proximate to the hopper discharges varies the temperature of the refrigerant exchanging heat with the mix in the hoppers. A CPR valve controls the inlet pressure of the compressor by reducing the amount of hot refrigerant flowing into the compressor suction. A TREV valve injects liquid refrigerant to the compressor suction to control excessive compressor discharge during the cool cycle.

Abstract: A refrigerating and air-conditioning system is provided to comprise a refrigerating machine connected to a showcase by a first refrigerant flow passage to form a refrigerating apparatus, an air-conditioning apparatus for connection of an indoor equipment and an outdoor equipment by means of a second refrigerant flow passage, which forms a different refrigerant circuit from a refrigerant circuit formed by the first refrigerant flow passage, and a centralized control unit for controlling actions of the refrigerating machine and the air-conditioning apparatus, the centralized control unit being configured to reduce a cooling operation set temperature in the air-conditioning apparatus relative to a fixed value according to a load on the showcase.

Abstract: A refrigeration cycle apparatus has a compressor, a radiator, an expansion device, an evaporator, and a variable-speed mechanism. When a rotary shaft of the compressor is rotated, the compressor increases the pressure of refrigerant. The radiator cools refrigerant the pressure of which has been increased by the compressor. The expansion device generates power using the decompression and expansion and transmits the power to the rotary shaft. The evaporator heats refrigerant that has been decompressed and expanded by the expansion device. The variable-speed mechanism is capable of changing the discharge rate of the expansion device per rotation of the rotary shaft. This permits the expansion device to increase the amount of recovered power.

Abstract: A compressor torque estimate device is used for a variable displacement compressor whose displacement is variable based on a compressor control signal for estimating a compressor torque of the compressor. The compressor torque estimate device includes a torque calculator and a corrector. The torque calculator calculates a torque required for driving the compressor based on the compressor control signal, thereby obtaining a calculated torque. The corrector corrects the calculated torque by a procedure of first-order lag, thereby obtaining a corrected torque. The corrector also estimates the corrected torque to be the compressor torque.

Abstract: A method and installation is described for producing cold and/or heat, in a place where the latter are to be used, from one or more heat energy sources. The method is carried out in an installation comprising two or three assemblies of two reactors in which reversible phenomena involving a gas take place, said phenomena being exothermic in the sense of synthesis and endothermic in the sense of decomposition. The energy for the operation of the installation is supplied by a low temperature reactor of one or two assemblies. The installation is suitable for the remote production of cold or heat by means of the transport of gas at ambient temperature.

Abstract: A temperature controlled food serving bar. The food serving bar has a plurality of elongate, generally parallel, spaced apart dividers of thermally conductive material extending lengthwise of the serving bar. The dividers have side walls dividing the food serving bar into a plurality of elongate generally parallel cavities. A temperature control system controls the temperature of the side walls of the dividers. Upwardly facing surfaces on the dividers support food-holding pans in positions in which the pans extend down into the cavities adjacent the side walls of the dividers for being heated or cooled thereby. Thermal barriers below the upwardly facing surfaces inhibit the transfer of heat between the side walls of the dividers and the surfaces.

Abstract: A dehumidification method comprising: providing a liquid desiccant (20) at a first location (18); removing moisture from the liquid desiccant at the first location to a first source of air (22, 24); providing liquid desiccant (20′) at a second location (18′), said liquid desiccant at said second location (18′) being in fluid communication with the liquid desiccant at the first location (18); absorbing moisture by the liquid desiccant at the second location from a second source of air (22′, 24′); and transferring moisture from the first location (18) to the second location (18′) substantially only by diffusion and gravity.

Abstract: The present invention relates to a mist cooler and in particular to a means for cooling the air partially or wholly surrounding a conventional air cooled condenser of an air cooler or a refrigeration unit. The present invention is particularly adaptable as an addition, which works in conjunction with an existing air cooler by lowering the temperature of the air before the air enters the air intake of the air cooler or refrigeration unit. The present invention can be combined as an addition to any air conditioning air cooled condenser for residential, commercial, industrial, or institutional application.

Abstract: Refrigerator Water Supply Systems. A refrigerator is provided according to the present invention. The refrigerator can include a cabinet including at least one wall and a door pivotally mounted to the at least one wall to define a refrigeration compartment. The refrigerator can also include a first water supply line extending into the cabinet and adapted to interface with a removable water supply. Further, the refrigerator can include a mount attached to the cabinet and positioned to hold the removable water supply in the refrigeration compartment for interfacing the first water supply line.

Abstract: A beverage distribution and dispensing system and method for distributing drinks such as soda, juice and punch, to a home or business and which involves a computerized system which enables users to dispense such drinks from their refrigerator. The computerized system monitors its own supply levels and, when necessary, automatically orders and delivers drink syrups and CO2 gas supplies. The computerized system can automatically detect dispensing problems and orders and arranges for repair service.

Abstract: A kimchi refrigerator includes a cabinet to define an external appearance of the kimchi refrigerator. The cabinet includes a storage compartment to store food. The storage compartment is opened at a top thereof to form an opening. A lid is hinged to a predetermined portion of the cabinet to close the opening of the cabinet. A hinge unit hinges the lid to the predetermined portion of the cabinet. In this case, first and second cam units are included at both ends of the hinge unit to be mounted to both sides, or corners, of the lid to open or close the lid.

Abstract: A cold-storage appliance includes an open-topped insulating container defining an external surface; an insulating lid adapted to close the open top of the container; a cooling means adapted to cool the interior of the container; and a structure supporting the container, the lid and the cooling means; wherein the container is mounted to the structure for movement relative to the structure and the lid to open the container and afford access to its interior or to close the container.

Abstract: A refrigerating device including a refrigerating cycle including a plurality of compressors driven by motors, the plurality of compressors comprising a variable speed compressor which can be controlled in capacity and a constant speed compressor which is driven by a motor of which rotor core comprising a cage type conductor and permanent magnets.

Abstract: An absorption refrigerator includes a high temperature regenerator for heating a water solution including a halogen compound to generate steam. An oxide film having thickness of 0.02-5.0 &mgr;m, one of the colors blue, purple and gray, or a hydroxyl group is formed on a surface of at least one of the high temperature regenerators and the heat exchanger.

Abstract: A sorption cooling apparatus for cooling a thermally insulated cooling container 1, with a sorber container 5 containing a sorber material 7 which, during a sorption phase, sorbs a working fluid which evaporates in an evaporator 2 that is disposed in the interior chamber of cooling container 1 and with a valve 4 between sorber container 5 and evaporator 2, which valve can be shut off and which can stop the flow of the working fluid steam, with an evaporator blower 12 being disposed along evaporator 2, which evaporator blower passes an air stream over the evaporator, and with a sorber blower 10 being disposed along sorber container 5, which sorber blower can circulate air around the container containing the sorbent material.

Abstract: It is an object of the present invention to provide a refrigerant cycle apparatus which can optimize the capability of releasing heat from a refrigerant in a gas cooler and an auxiliary heat exchanger under use conditions at a low cost. There are provided an intermediate cooling circuit which once releases heat from a refrigerant discharged from a compressor and then returns the refrigerant to the compressor, and a fan which ventilates an inter cooler of the intermediate cooling circuit and a gas cooler. The inter cooler has substantially the same ventilation area as that of the gas cooler.

Abstract: Disclosed is a method of regenerating a pressing mold comprising removal of a carbon-based film from a pressing mold having the film on a molding surface thereof. The removal of the film is performed by etching with plasma of a hydrogen-based gas or treatment with UV ozone. Disclosed is a method of manufacturing an optical glass element comprising press molding of a heat-softened glass material in a pressing mold having a carbon-based film on a molding surface thereof. The pressing mold is that has been regenerated by removing a carbon-based film on the pressing mold having the film on the molding surface thereof by hydrogen gas plasma etching or UV ozone treatment, after which a carbon-based film has been formed on the molding surfaces from which the film has been removed.

Abstract: A linear groove is formed in a glass sheet along a programmed cut line that is set for the glass sheet, and pressure is applied locally to an end of the groove. The pressure is not applied equally uniformly to the whole groove but applied locally to the end of the groove, where an initial crack is induced by the pressure applied thereto. The initial crack is guided by the groove so that the cracking force is propagated inductively along the groove. Distribution of stress in the glass corresponding to the cracking force thus propagated is concentrated locally to a face intersecting orthogonally to the surface of the glass sheet. The face to which the stress is concentrated intersects substantially orthogonally with the surface of the glass sheet. The glass sheet manufactured in this manner can be utilized effectively as a material of a PDP.

Abstract: An apparatus for working a glass plate includes: a transporting device for bending a glass plate in a concave shape in a cross-sectional view in a transporting direction and transporting the glass plate from a cutting section to a bend-breaking section; a cutting device for forming cut lines on the glass plate in the cutting section; and a bend-breaking device for bend-breaking the glass plate in the bend-breaking section.

Abstract: A mold cooling system is disclosed for the blank mold halves of an I.S. machine. The mold halves are supported at their bottom by a lower hanger assembly which includes a discrete plenum for each of the mold halves. Each plenum is isolated and has its own air supply which includes an adjustable flow control. This provides complete control of the mold cooling process.

Abstract: A mold (1) for press-molding glass optical articles with high precision includes a mold base (2) having a press surface, and a thin film (3) of (ZrO2)x(Y2O3)y(Al2O3) z material deposited on the press surface; wherein x is in the range from 0.77 to 0.92, y is in the range from 0.05 to 0.15, and z is in the range from 0.03 to 0.08. A thickness of the thin film is in the range from 100 to 500 angstroms. The mold base is made of a hard metallic alloy or a ceramic material. The mold does not adhere to glass material, and is resistant to oxidization. A method for making the mold is also disclosed.

Abstract: A optical element forming die has a die base body; and an optical surface transferring layer to form an optical surface of the optical element, the optical surface transferring layer formed by depositing an amorphous alloy having a supercooled liquid region on the die base body, wherein a plurality of projections or concavities are provided on the optical surface transferring layer so that a plurality of concavities or projections corresponding to the plurality of projections or concavities on the optical surface transferring layer are transferred and formed on the optical surface of the optical element.

Abstract: A chemical deposition chamber includes at least one gripping member rotatably mounted about an axis Z-Z adapted to hold at least one end of at least one elongated element for chemical vapour deposition for the formation of a preform. The chamber includes at least one burner which is mobile along a direction substantially parallel to the axis Z-Z and adapted to deposit, on the elongated element, a chemical substance for the formation of a preform, and at least one suction element arranged on the opposite side of the burner on a portion of a wall of the chamber on the opposite side of the gripping member from the burner. At least one air suction member, mobile along direction Z, is provided with a motion which is synchronous with respect to that of the burner. The chamber wall on which the air suction member is provided has a pair of respective upper and lower tapes rigidly associated with the burner.

Abstract: A switching mechanism is provided for switching the position of a yarn feeding mouth to another and swinging a yarn feeder. The switching mechanism includes a push operating portion for changing a swing direction of the yarn feeding mouth and a height position thereof in cooperation with a leading means until a yarn feeder selected by the leading means feeds a yarn and is led from a stopped state. The push operating portion forms a lowering surface in a surface of the push operating portion. The lowering surface is used to further lower the yarn feeding mouth from a yarn feeding position so as to allow the yarn to pass under a backface side of the needle.

Abstract: A reinforced webbing material is disclosed for use in furniture, bedding and the like. The webbing includes a flat knitted fabric comprised of conventional yarns such as polyester. Elastomeric yarns or cords may also be, but are not necessarily, integrally knitted into the fabric structure in a warpwise direction. One or more high-performance polymeric reinforcement yarns are integrally knitted into the fabric structure in a lengthwise direction. The reinforcement yarns may comprise aramid fibers, ultra high molecular weight polyethylene, or other suitable high tensile strength polymeric yarns. The reinforcement yarns and elastomeric cords combine with the knitted fabric to provide a substantially elastic webbing material having a finite amount of stretch that is limited by the high performance yarns.