Abstract: An improvement in a cutting torch assembly that obviates the tendency to have flashback and sustained burning with certain fuels, including cutting oxygen valve and passageway, preheat oxygen valve and passageway, fuel gas valve and passageway, a head having a tip end for having a tip affixed thereto and having a head passageway for cutting oxygen and a head passageway for mixture of fuel and oxygen, the improvement being characterized by an integral head mixer having within the head an incoming preheat oxygen passageway and incoming fuel passageway, a mixer insert disposed within the incoming fuel passageway and having engaging seal means for constraining the fuel to flow through the insert, the insert having a centrally disposed bore communicating at its inlet end with the incoming fuel passageway and terminating in a plurality of at least three apertured passageways that flow the fuel into intimate admixture with the preheat oxygen in the annular space thereabout.

Abstract: A water pump located in a cased borehole has a lower inlet and an upper outlet which is coupled to a pipe means that extends to the surface. At the surface, the borehole is coupled to a water delivery pipe and the pipe means is coupled to a conduit having a sand dump valve. An opening is formed through the pipe means near the outlet of the pump. A packer is located between the inlet of the pump and said opening. A sandtrap is located in said opening for trapping sand flowing with water from the pump outlet through the opening and upward through the annulus between the pipe means and borehole wall. In order to remove the sand from the sandtrap, the sand dump valve is opened to allow sand trapped by the sandtrap to flow upward with water through said pipe means and to be discharged through said conduit means.

Abstract: A satellite ice plant operable by a single operator bagging ice comprising ice making apparatus; comminution apparatus for reducing the ice to a size for bagging; refrigerated storage housing which is cooled below freezing point of the ice and has a storage bin for storing the ice, conveyor for conveying the ice from the comminution apparatus to the storage bin, freeze-up prevention device disposed in the refrigerated storage housing and operable to prevent freezing up of the conveyor, ice break up apparatus for breaking up the stored ice for bagging, second conveyor interiorly of the refrigerated storage housing for conveying the ice to a bagging machine, and controls operable to automatically effect the operation of the respective elements to supply ice to the bagging machine at the signal of a operator bagging ice. Also disclosed are specific preferred pieces of apparatus for moving the stored ice, breaking it into crushed ice size, snow removal and the like.

Abstract: A packing seal characterized by a plurality of rings formed from extruded lineal members. The extruded lineal members each have a height h from top to bottom, a width .DELTA.R, a pair of heels that slope outwardly from the sidewalls of the top to near a substantially flat bottom, the bottom having a groove disposed intermediate the heels and adapted to receive a linear anti-roll tab from a contiguous ring therebeneath. The top lineal member has a substantially flat top without the anti-roll tab for being contiguous a gland ring. Dimensions of the respective dimensions, which are critical to operation of the seal at low pressure and high pressure, are disclosed and claimed; as are suitable mechanical pressure inducing mechanism and flow blocks that are employed to ensure and complete the seal.

Abstract: A heat pump apparatus for conditioning a fluid characterized by a fluid handler and path for circulating a fluid in heat exchange relationship with a refrigerant fluid, at least three refrigerant heat exchangers, one for effecting heat exchange with the fluid, a second for effecting heat exchange with a heat exchange fluid, and a third for effecting heat exchange with ambient air; a compressor for compressing the refrigerant; at least one throttling valve connected at the inlet side of a heat exchanger in which liquid refrigerant is vaporized; a refrigerant circuit; refrigerant; a source of heat exchange fluid; heat exchange fluid circuit and pump for circulating the heat exchange fluid in heat exchange relationship with the refrigerant; and valves or switches for selecting the heat exchangers and directional flow of refrigerant therethrough for selecting a particular mode of operation. Also disclosed are a variety of embodiments, modes of operation, and schematics therefor.

Abstract: A D-C relay control is employed for a single phase induction motor for disconnecting the starting capacitors and/or starting windings from the main windings as the motor speed increases upon start up. D-C for the relay control is obtained from a rectifier coupled to the starting windings.

Abstract: What is disclosed is a door opener for a bus and the like having a pair of doors pivotally mounted on each side of a door opening on respective door shafts characterized by respective door bell cranks connected with the door shaft so as to effect desired rotation thereof; a central bell crank journalled for pivotal movement for opening the doors; and a pair of respective linking arms connected respectively with the central bell crank and with respective door bell cranks, at least one of the linking arms including respective telescoping members and biasing means for maintaining a noise-abating force on the doors; motor and interconnection mechanism for effecting controlled pivotal rotation of the central bell crank for opening the doors and for closing the doors and a safety override for disengaging the motor to allow the doors to be opened manually in the event of an emergency. Also disclosed is the respective preferred embodiment.

Abstract: A coil winding configuration for a three phase winding connected in a Delta configuration for the stator of an alternator for providing a high output at low engine rpm. Each phase of the winding comprises 14 coils which are located in the slots of a 42 slot stator with 8 turns in each slot. Each of the windings is formed of 14 A.W.G. electrically conductive wire.

Abstract: What is disclosed is an improvement in a system for producing a vacuum in which both liquid and gas streams are involved. Specifically, in one aspect the improvement is in a vacuum system for extruding plastic pipe having conventional extrusion apparatus, vacuum tank, mold and vacuum and liquid pumps with a chilled water flow system, the improvement being characterized by an outer housing connected intermediate the effluent water conduit and the liquid pump with a vacuum port connected with a vacuum pump; and an internal sleeve interiorly of the outer housing defining an annular space about the sleeve and directing the combined stream directly into the entrance to the liquid pump so that by inertia the liquid is sucked into the liquid pump whereas the gas is diverted by the vacuum pump to maintain the pressure without flooding the vacuum pump.

Abstract: A box for use as a file container or the like characterized by a single piece, corrugated cardboard blank that is foldable into a completed configuration with lockable top panels that are openable and closable to allow access to the interior. The end portions of the sides have locking tabs so as to be locked into position and facilitate folding the rest of the box into place. The ends have two outer portions that fold over the end portions of the sides to make a triple strength end with vertical corrugations for stack strength. Hand holes are provided to facilitate lifting the box. The locking tab on one of the top panels is provided at each end of a foldable flap that folds over the other top panel. The locking tabs lock into locking aperture at each end by simply folding down.

Abstract: Method and apparatus for heating a fluid, such as water, for any of several purposes, such as for use with carpet cleaning apparatus; and charcterized by supplying electrical current periodically to the primary of a conductive coil, thereby building and collapsing a field about a shorted electrically conductive secondary of the coil. The shorted secondary is a hollow conductor that is heated by high current flow. The heat is transferred to a fluid flowing through the hot, shorted secondary. In a specific aspect of the embodiment, a frame including spray nozzles, vacuum nozzles and the like has the apparatus for heating water connected into it such that heated water is supplied, to effect much more efficacious cleaning of carpets or similar floor surfaces. Also disclosed are specific details and preferred embodiments that have been constructed to date; particularly, the details of the apparatus in which the primary and the secondary coils are closely adjacent each other such that the I.sup.

Abstract: What is disclosed is a heat pump apparatus for conditioning a fluid characterized by a fluid handler and path for circulating the fluid in heat exchange relationship with a refrigerant fluid; at least two refrigerant heat exchangers, one for effecting heat exchange with the fluid and a second for effecting heat exchange between refrigerant and a heat exchange fluid and the ambient air; a compressor for efficiently compressing the refrigerant; at least one throttling valve for throttling liquid refrigerant; a refrigerant circuit; refrigerant; a source of heat exchange fluid; heat exchange fluid circulating device and heat exchange fluid circuit for circulating the heat exchange fluid in heat exchange relationship with the refrigerant; and valves or switches for selecting the heat exchangers and direction of flow of the refrigerant therethrough for selecting a particular mode of operation.

Abstract: A heat exchanger adapted for efficient operation alternatively as evaporator or condenser and characterized by flexible outer tube having a plurality of inner conduits and check valves sealingly disposed within the outer tube and connected with respective inlet and outlet master flow conduits and configured so as to define a parallel flow path for a first fluid such as a refrigerant when flowed in one direction and to define a serpentine and series flow path for the first fluid when flowed in the opposite direction. The flexible outer tube has a heat exchange fluid, such as water, flowed therethrough by way of suitable inlet and outlet connections. The inner conduits and check valves form a package that is twistable so as to define a spiral annular flow path within the flexible outer tube for the heat exchange fluid. The inner conduits have thin walls of highly efficient heat transfer material for transferring heat between the first and second fluids. Also disclosed are specific materials and configurations.

Abstract: A improvement in a combination for responding to an emergency, characterized by audible instruction means for instructing a participant in handling the emergency and an activator for activating the instruction means to give particular audible instructions to the participant handling the particular emergency so that the participant can use both hands and eyes in treating the emergency rather than having to read instructions or the like. In specific aspects, multiple instructions may be included with a selector for selecting a particular emergency; or a particular type of emergency such as instruction and precautions for a particular type of fire extinguisher may be implaced at a particular location for a particular type fire extinguisher or the like.

Abstract: Safety apparatus for lowering one or more persons from a window or a hotel room or the like characterized by structural framework that is affixed inside the room and disposed adjacent the window, an extensible arm that is pivotally connected with the structural framework and having a free end that is pivotally moveable exteriorly of the window, a rotating drum having a lineal member disposed thereabout and connected therewith for controllably dispensing the member and any person at the end of the lineal member, sheaves suitably mounted with the lineal member traversing thereover, body harness means for holding the person or persons and connected with the lineal member, such as the cable, and means for controlling the rate of descent of the person without requiring a separate control cable, radio control with elaborate receiving equipment inside the room or the like.

Abstract: A quick connect and disconnect apparatus for an adapter employed for testing a chaff-flare firing system used in military aircraft. The apparatus comprises two threaded members rotatably carried by the base of the adapter for attaching the base to the housing of the chaff-flare firing system. The two threaded members of the adapter base are rotated by a knob and two drive means for threading and unthreading purposes. Each drive means is characterized such that if its associated threaded member is threaded to a tightened position before the other, it will slip allowing the knob to continue to be rotated for threading the other threaded member to a tightened position. Neither drive means will slip during the unthreading operation.