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Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.
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| Number | Title | Issue Date |
| 4798928 | Apparatus for tack welding a tube to a tubesheet Welding apparatus for positioning a tube with respect to a tubesheet and then tack welding the tube to the tubesheet. The welding apparatus has a pilot which can be positioned within the tube and then expanded so that when the pilot is moved the tube can ... | 01/17/1989 |
| 4676276 | Method of treating a pipe and product produced thereby A reinforced pipe including a pipe made of a metal which is subject to ductile fracture propagation and a reinforcing wrapping extending around and in contact with the pipe for preventing the ductile fracture propagation. The reinforcing wrapping comprise... | 06/30/1987 |
| 4668494 | Method of using solar energy in a chemical synthesis process A method of using solar energy in a chemical synthesis process comprising steam reforming hydrocarbons or gasifying carbonaceous fuel, converting the product of the steam reforming of hydrocarbons or the gasifying of carbonaceous fuels to an ammonia synth... | 05/26/1987 |
| 4666690 | Method for removing sulfur dioxide from flue gases A method for removing sulfur compounds from flue gases in which a slurry of calcium oxide and water is formed and exothermically reacted to form a hydrate containing calcium hydroxide in substantially saturated solution. The calcium hydroxide is converted... | 05/19/1987 |
| 4665864 | Steam generator and method of operating a steam generator utilizing separate fluid and combined gas flow circuits A steam generator and method for operating same in which a plurality of beds of combustible particulate material are established and air is introduced to each of the beds for fluidizing the beds. The flue gases and entrained fine particulate material from... | 05/19/1987 |
| 4663028 | Process of preparing a donor solvent for coal liquefaction A process of preparing a donor solvent for coal liquefaction. Liquefied coal is distilled to separate the coal into a fraction having a boiling point less than about 350° F. and a residue having a boiling point greater than about 350° F. The residue fro... | 05/05/1987 |
| 4654943 | Tube positioning tool and method for use A tube positioning tool for remotely positioning a replacement tube into axial alignment and interfitting engagement with an existing tube, and method for its use. The forward end section of the elongated pressurizable tube positioning tool is first inser... | 04/07/1987 |
| 4653470 | Support structure for solar receiver panel tubes A support structure for multiple adjacent parallel vertical tubes of a solar flux receiver panel, so as to provide for universal independent thermal expansion and contraction of the tubes. Each adjacent tube is attached by a lug located at an intermediate... | 03/31/1987 |
| 4648976 | Integral water demineralizer system and method A water demineralizer system and method is provided in which at least three beds of resin particles are connected in series flow arrangement preferably within a single vessel for substantially removing metal ions such as calcium and magnesium from water f... | 03/10/1987 |
| 4641774 | Fixture for explosively welding a tube to a tubesheet A fixture for explosively welding a tube to a tubesheet in which a plug extends within a cup which in turn is inserted into a fixture tube. A first explosive extends within the chamber defined by the cup and the plug and a second explosive extends within ... | 02/10/1987 |
| 4638765 | Heat recovery system A gas turbine heat recovery system that can be used in steam reforming plants is disclosed. The system utilizes a high pressure steam superheater and a high pressure feedwater heater to recover the heat from the exhaust gas turbine.... | 01/27/1987 |
| 4636334 | Production of ammonia synthesis gas A process for removal of excess nitrogen and carbon oxides from a raw synthesis gas used to make ammonia. The raw synthesis gas is divided into two portions. The first portion is methanated to remove carbon oxides and then cooled to condense part of its n... | 01/13/1987 |
| 4635713 | Erosion resistant waterwall An erosion resistant waterwall in which a plurality of erosion resistant stud members are attached to the exposed surface of a waterwall consisting of a plurality of spaced water tubes connected together by continuous fins. The size of the stud members re... | 01/13/1987 |
| 4634500 | Method of quenching heated coke to limit coke drum stress The present invention provides a method of quenching heated coke in a coke drum. Quench water is fed into the coke drum to cool the coke, and the stress in the coke drum wall is monitored during the quenching. The rate of feeding the quench water into the... | 01/06/1987 |
| 4621953 | Anti-erosion protrusions for wear surfaces in fluid conduits A fluid flow conduit having its interior wear surface containing multiple anti-erosion protrusions for reducing erosion caused by flow of fluids carrying abrasive particles. The anti-erosion protrusions are usually located on radial outer portion of an el... | 11/11/1986 |
| 4621724 | Fractionator having reduced product vapor condensation in the flash zone A fractionator for yielding petroleum products in association with a delayed coking process includes a bottom having a pool of petroleum residue and recycle liquid, a flash zone above the pool, an inlet line for conveying to the flash zone product vapors ... | 11/11/1986 |
| 4617877 | Fluidized bed steam generator and method of generating steam with flyash recycle A steam generator in which a plurality of vertically spaced fluidized beds are provided in a single enclosure, with one boundary wall of the enclosure having openings therein for permitting the discharge of effluent gases from the fluidized beds. A heat r... | 10/21/1986 |
| 4615715 | Water-cooled cyclone separator A cyclone separator in which a pair of tubular members are disposed in a coaxially spaced relationship to define an annular chamber for receiving gases having solid particles entrained therein. The gases and particles swirl around in the annular chamber t... | 10/07/1986 |
| 4613952 | Simulator for an industrial plant A simulator can simulate a multi-stage industrial plant that is controllable by a digital control and digital programmer for affecting plant operation. The simulator has a plurality of indicators mounted on a console for producing indications in response ... | 09/23/1986 |
| 4611950 | Method and apparatus for removing contaminants from soil An apparatus and method for removing contaminants from soil in situ or at a remote location in which removal is accomplished by pumping a supply of uncontaminated water via a distribution conduit system to a series of spray nozzles. The spray nozzles are ... | 09/16/1986 |
| 4608964 | Tension solar mirror A tension solar mirror for a solar collector having a central collector tower is formed from a thin, concave-shaped sheet of fabric, or other flexible material, having a reflective surface on the concave side thereof. The sheet is supported by a plurality... | 09/02/1986 |
| 4607690 | Tube and support system for a heat exchanger A tube and support system for a heat exchanger in which a first and second series of spaced tubes extend from opposite sides of a header. Each tube extends in a serpentine pattern, with the tubes of the first series being offset from the tubes of the seco... | 08/26/1986 |
| 4606209 | Disc roller mechanism for forming helical shapes A disc roller mechanism and method for forming helical-shaped structures from a feed wire or rod, wherein the feed wire is drawn through a plurality of staggered disc-shaped forming rollers by rotation of the rollers, while the wire is also being rotated ... | 08/19/1986 |
| 4604972 | Seal assembly for a vapor generator A seal assembly for a vapor generator each wall of which has spaced lower and an upper portions to accommodate relative movement there between. The seal assembly includes a trough containing water and connected to one of the portions of each wall. A dip s... | 08/12/1986 |
| 4600508 | Contamination removal system A system and method for removing contaminated fluid from the ground in which water is pumped through a perforated pipe system into the ground to be decontaminated. The water and the contaminants are then drawn into a second pipe system and to a treatment ... | 07/15/1986 |
| 4598670 | Solid fuel feed system for a boiler A solid fuel feed system for a boiler in which a hopper is provided for storing the fuel and a discharge conduit is provided for discharging the fuel to the boiler. A first conveyor belt system conveys the fuel from an inlet to the hopper and a second con... | 07/08/1986 |
| 4597774 | Method for improving the operation of a fluidized bed A method of operating a fluidized bed in which a bed of particulate combustible material is disposed on a perforated plate and air is introduced through the plate and into the bed to fluidize and promote the combustion of the material. Additional particul... | 07/01/1986 |
| 4596014 | I/O rack addressing error detection for process control In an industrial process control system, in which the process is controlled via multiplicity of I/O data points communicating with a computer system controller, errors in the addressing signals selecting the I/O data points are prevented from causing the ... | 06/17/1986 |
| 4594967 | Circulating solids fluidized bed reactor and method of operating same A fluidized bed reactor and a method of operating same in which three discrete chambers are formed in a housing and a main fluidized bed containing particulate fuel and adsorbent material is established in a first chamber. The fluidizing air in the first ... | 06/17/1986 |
| 4587904 | Debris free plug assembly for heat exchange tubes An explosive activated assembly for repairing a heat exchange tube in which a grooved metal casing is inserted into the tube to be repaired and has a plurality of projections extending from the outer surface thereof. A force-transmitting member extends wi... | 05/13/1986 |
| 4587698 | Scarfing method and apparatus Cutters for removing excess weld material from elongated welds are moved by hydraulic cylinders into precise positions in proximity to the article having the welds to maintain the desired uniform thickness of the welds. The movement of the hydraulic cylin... | 05/13/1986 |
| 4587475 | Modulated power supply for an electrostatic precipitator In an electrostatic precipitator system powered by a primary power source, the power supply has a converter and a high voltage device. The converter can be coupled to the primary power source for producing a converter voltage with a different frequency co... | 05/06/1986 |
| 4585155 | Explosive welding patch unit and method A patch unit apparatus and method for expeditiously closing openings in metal walls by explosive welding. The patch unit comprises a metal plate having on one side an explosive charge located near the plate perimeter, and having on the opposite side a con... | 04/29/1986 |
| 4583570 | Liquid cooled ball valve Apparatus for controlling the flow of a hot material, such as gases emanating from a coal gasification plant, in which a ball is rotatable in a housing having a passage therethrough. Rotation of the valve aligns a passage in the valve with the passage in ... | 04/22/1986 |
| 4580788 | Split ring sealing device for high pressure service A split type sealing device for providing high pressure sealing around a cylindrical member such as a tube. The sealing device utilizes a primary flexible split seal ring element and a rigid split back-up ring, which have their splits positioned on opposi... | 04/08/1986 |
| 4571475 | Internal bore welding torch having removable flexible wand for remote welding An internal bore welding torch assembly and method for use in making remote arc welds inside metal tubes. The torch assembly includes a torch body unit of plastic electrical insulating material, to which is connected the necessary welding services of cool... | 02/18/1986 |
| 4570842 | Conduit weld positioner with arc length adjustor A conduit weld positioner for positioning two conduit portions extending at an angle to each other in which one of the conduit portions is grasped by a frame tiltably mounted relative to a turntable adapted to rotate about a central axis. The degree of ti... | 02/18/1986 |
| 4570549 | Splitter for use with a coal-fired furnace utilizing a low load burner An improved splitter for use with a coal-fired furnace utilizing a low load burner in which a splitter is provided in the main conduit leading from the pulverizer for splitting the stream of coal and air into two separate streams which are then fed to sep... | 02/18/1986 |
| 4568061 | Flow control assembly A flow control assembly in which a valve member is movable in a housing between a first position in which it permits the flow of material from an inlet to said housing, through said housing and to an outlet in said housing, and a second position in which ... | 02/04/1986 |
| 4565554 | Steam separating apparatus and separators used therein A steam separating apparatus wherein a first separating unit receives a steam-water mixture and discharges said mixture in a substantially tangential direction against an impingement plate to separate some water from said mixture. A second separating unit... | 01/21/1986 |
