Abstract: A compressor casing is configured to surround blade tips in a compressor stage. The casing includes stall grooves with adjoining lands defining respective local gaps with the blade tips. At least one of the lands is offset to locally increase a corresponding one of the gaps larger than the nominal gap for the casing to reduce tip rubbing thereat.

Abstract: This invention is directed to a bow end used for sliding bow covering systems which utilizes a solid trolley rail or trolley rail cables or cable or tubular track, trolley wheels and a trolley base having a bow support. The trolley rails or cables are attached to each side of any open top unit or the track is attached along the side. The trolley bow end rides on the trolley rail or in the track without touching the trailer. The important difference in this concept is that the roller wheels are located substantially below the horizontal line of the top of the trailer unit, this allows for side delivery of the contents of the trailer without allowing the contents to effect the trailer trolley rails or cable. Also an extension for storing the bows and tarp in the open position extends out either the front or back end, thus not interfering with the open top of the dump unit. The unit is designed for use with any open to dump box.

Abstract: A method for in-room computer reconstruction of a three-dimensional (3-D) coronary arterial tree from routine biplane angiograms acquired at arbitrary angles and without using calibration objects.

Abstract: A vehicle anti-theft system includes programming vehicle identification numbers or a corresponding identifier value into a read-only memory portion of each computer on board the vehicle. The computers are all linked through a multiplex communication system that has a monitoring port. The monitoring port facilitates coupling an external device to the multiplex communication link. The external monitoring device is used to determine the contents of the read only memory portion on each component to determine whether any of the components were stolen from another vehicle, for example.

Abstract: An anti-theft system includes a strategy for providing secure communications between a system controller and a remote signaling device. A communications initiator allows the transfer of information or signals between the system controlling and the remote signaling device only under pre-defined conditions. The system controller preferably includes a transmitter portion for transmitting signals or information to the remote device and a receiver portion for receiving signals from the remote device. Similarly, the remote device preferably includes a transceiver so that two-way communication is accomplished between the controller and the remote signalling device.

Abstract: A security system that is useful for protecting vehicles from theft and buildings from unauthorized entry, for example, includes utilizing random numbers within remotely transmitted signals. A remote signaling device transmits a signal to a system controller with instructions for a desired operation of the system. The invention prevents a potential thief from capturing one or more transmitted signals and later mimicking or predicting a subsequent signal by including or utilizing a random number when generating the transmitted signal. The random number is incorporated into the transmitted signal in one of several ways according to this invention. Single-use or limited re-use of random numbers enhances the security and integrity of the system.

Abstract: A transfer belt including an adjustable waist belt and a harness strap, both of which are constructed of a pliant material. In one embodiment, the adjustable waist belt includes a first end terminating in a belt buckle having a slot through which a second end of the adjustable waist belt is extended. The harness strap of the belt is affixed proximal the first and second end of the waist belt. In other embodiments, a length adjuster is provided, handles may be positioned at the rear of the belt, and/or the belt buckle may be located to one side, beyond the front of the belt portion connecting the ends of the harness. To ensure correct placement of the transfer belt on a wearer, the outer surface of the waist belt and the harness strap are of one uniform color, while the inner surface of the waist belt and harness strap are of another uniform color. The harness strap is fitted by the user below the wearer's gluteals, and the adjustable waist belt is tightly secured by the user around the wearer's waist.

Abstract: A method and apparatus for processing source code in a language processing system with improved parsing based on prefix analysis. A method in accordance with the present invention includes the steps of identifying a previously-parsed prefix of a source code translation unit; creating a parser in a parser state corresponding to the identified prefix; and parsing a remaining portion of the translation unit after the prefix using the parser in the parser state corresponding to the prefix. In one embodiment of the invention, the step of creating a parser includes retrieving stored level-one subtrees corresponding to the top-level statements in the prefix. The level-one subtrees corresponding to the prefix may be stored in the form of a prefix tree along with the text of the top-level source code statements represented by the prefix and a parser delta indicating the effect of the code statements on the parser state.

Abstract: A vehicle security system combines anti-driveaway protection with vehicle entry signalling. Either a remote signalling device is used to generate a remote signal or an input device, mounted on the vehicle, is used to generate an access signal. An entry control unit receives and interprets the remote signal or the access signal and unlocks the vehicle doors when appropriate. At the same time, the entry control unit communicates with an engine controller that an appropriate signal has been received. In response, the engine controller enables the vehicle engine to be started so that the vehicle can be driven in a conventional manner.

Abstract: A corporation stop for use with standard tapping equipment includes a threaded stem with an enlarged, conical head for forming a blind side seal. A resilient sleeve member coaxially surrounds a narrow portion of the stem, and a flat compression ring rests coaxially above the sleeve member and has a notch formed radially in its outer edge. A standard saddle having a radially-inward tab is placed on the external sidewall of the conduit about the opening and receives the compression ring, the tab engaging the notch in the compression ring. A clamp nut is engaged with the threaded stem, forcing the compression ring against the resilient sleeve member to forcibly move the upper end of the sleeve member towards the compression ring to form an external seal between the compression ring and the external sidewall of the conduit and force the sleeve member over the enlarged, conical head of the threaded stem to form an internal seal within the lined conduit.

Abstract: A corporation stop has a threaded stem with an enlarged, conical head portion and a neck portion of reduced size coaxially surrounded by a resilient sleeve member. A flat, annular compression ring rests above the sleeve member and has at least one notch formed radially in its outer edge and has on its lower side a sleeve receiving recess of a diameter greater than that of the annular opening to receive the upper end of the sleeve member. A clamp nut is engageable with the neck portion of the threaded stem. A saddle member having at least one tab projecting radially engages the notch in the compression ring.

Abstract: A railroad track is provided having a running rail and a guardrail which are spaced apart by self-locking separator blocks and mounted to base plates. The foot of the running rail fits within channels formed into each of the base plates, with an outward end of the foot secured within the channels by toe plates and an inward end of the foot secured within the channels by inward quick release fasteners. The guardrail is mounted atop the toe plates, outward from the running rail. Side brace plates and outward quick release fasteners are used to hold the guardrail against the separator blocks and on top of the toe plates. Vertical holes are formed into the foot of the guardrail, inward of the guardrail web and in the toe plate. The separator blocks each have a block extension which protrudes downward from the separator blocks through a respective one of the vertical holes in the guardrail foot and into one of the holes in the toe plate.

Abstract: An energy and water conservation laundry mechanism which includes a plurality of automatic washing machines, a rinse water storage tank, plumbing which connects the storage tank to the each of the washing machines, and electrical controls which are tied into the existing control circuitry of the washing machines for selectively directing the flow of rinse water between the storage tank and the washing machines. The plumbing includes pumps and valves which enables rinse water, as stored in the storage tank, to be delivered to each washing machine at the beginning of a wash cycle and waste water from the wash cycle to be discharged into a conventional sewer line. Rinse water from each washing machine at the end of each rinse cycle, is pumped to the storage tank for reuse for subsequent wash cycles of the machines. The invention also includes a filter for the rinse water which includes a toroidal shape filter element.

Abstract: An energy and water conservation laundry mechanism which includes a plurality of automatic washing machines, a rinse water storage tank, plumbing which connects the storage tank to the each of the washing machines, and electrical controls which are tied into the existing control circuitry of the washing machines for selectively directing the flow of rinse water between the storage tank and the washing machines. The plumbing includes pumps and valves which enables rinse water, as stored in the storage tank, to be delivered to each washing machine at the beginning of a wash cycle and waste water from the wash cycle to be discharged into a conventional sewer line. Rinse water from each washing machine at the end of each rinse cycle, is pumped to the storage tank for reuse for subsequent wash cycles of the machines. The invention also includes a filter for the rinse water which includes a toroidal shape filter element.

Abstract: A method and system for producing coal-bed methane gas from a wellbore is disclosed. The method consists of drilling a wellbore so that a coal seam is intersected, and thereafter casing and completing the wellbore. A transducer is lowered into the wellbore, with the transducer capable of converting electrical energy to a sound energy. The transducer is activated, and methane gas is then produced from the coal seam. The energy to the transducer may be varied so that a maximum rate of methane gas production is obtained.

Abstract: The drive wheels of an electric automobile are driven by one or more D.C. drive motors which derive their power from a battery. The battery is charged by two separate D.C. generators. The first D.C. generator is powered by an internal combustion engine, and the second D.C. generator is powered by a steam engine. The steam engine uses waste heat from the internal combustion engine to boil its operating liquid.

Abstract: A SAW detector has a SAW transducer 10 disposed on the surface of a piezoelectric substrate 12 which injects a SAW 20 in response to an RF input signal applied to line 14. A semiconductor charge transport region 30 comprising a charge transport channel 32 sandwiched between two charge confinement layers 34,36, is disposed above the substrate. A source electrode 40 provides electrons to the channel 32 and a drain electrode 42 removes electrons from the channel 32. The electric fields generated by the SAW 20 travel along the channel 32 and provide a forcing function to move the electrons from the source electrode to the drain electrode as a continuum, not in charge packets, thereby providing output current 48 on a line 49 indicative of the SAW 20 frequency.