Abstract: Difficulties in accommodating thermal growth in a combustor for providing hot gases of combustor to drive, for example, a turbine wheel (10) are avoided in a combustor construction, including a housing (36) defining a combustion chamber having a relatively narrow inlet (38), an enlarged combustion area (42) and a relatively narrow outlet (40) opposite of the inlet (38). A fuel injector (46) is disposed in the inlet (38) for injecting fuel (50) at least into the combustion area (42) and a plenum case (56) surrounds the housing (36) in generally spaced relation. The plenum case (56) is adapted to be connected to a source (62) of oxidant under pressure and is in fluid communication with the inlet (38) to provide oxidant thereto to support combustion of fuel in the combustion area (42). A conduit (44) extends from the outlet (40) to be connected to a turbine nozzle (16) and a diaphragm (122) is interposed and sealingly engages both the housing (36) and the plenum case (56) near the outlet (40).

Abstract: A pivotal connection between a handle and a housing, where the handle includes a cylindrical opening, and the housing includes a pair of cylindrical openings on opposite sides of the housing and concentric with the handle opening. A sleeve with a central tubular opening is disposed within the housing and handle openings, and has an outer diameter substantially equal to the diameter of the housing and handle openings. A cylindrical pin has an outer diameter greater than the inner diameter of the sleeve tubular opening and is wedged into the sleeve tubular opening to bulge the sleeve outwardly into beveled portions of the handle opening. The connection is formed by first aligning the handle between housing portions so that openings therethrough are disposed substantially concentric to one another. Then, a tubular sleeve is located within the housing and handle openings. Finally, a pin having an outer diameter greater than the inner diameter of the tubular sleeve opening is wedged into the sleeve opening.

Abstract: Manifold head effects at low fuel flows in a fuel injected air breathing turbine are minimized by utilizing fuel injectors having fuel injecting tubes (66) with open ends (70) for fuel injection and provided with elongated capillary tubes (88) upstream thereof and connected to receive fuel from a fuel manifold (48) while uniform, relatively low velocity fuel exit flow from the ends (70) the injecting tubes (66) is achieved through the use of internal impingement surfaces (96, 102, 106, 110, 124).

Abstract: A spacing ring for placement between a radially inwardly facing annular surface on a first member and a radially outwardly facing annular surface on a second member to maintain the first and second members in predetermined radially spaced relationship. The ring consists of a plurality of matted metal threads formed into an annular configuration. The ring has a radially inwardly facing surface to surroundingly engage the radially outwardly facing annular surface on the second member and a radially outwardly facing surface to be surroundingly engaged by the inwardly facing annular surface of the first member with the radially inwardly facing annular surface on the first member and the radially outwardly facing annular surface on the second member in axially overlapping relationship. The invention also contemplates a method of forming the spacing ring. The wool material is wrapped around an annular surface on a core bar.

Abstract: A bowling center system includes a plurality of lane pair control systems each including a pin setting device for each lane, a pin setter control unit, a game control unit, a bowler input station and a pair of overhead display monitors. The game control unit is operable under the control of a game control program stored in a memory for automatically operating the pin setter control units during game play to selectively set a sequence of pin patterns on the lane. A manager's control system is coupled to each of the lane pair control systems and includes a bowler input station similar to the game control unit bowler input station.

Abstract: Difficulty in disconnecting two coupled shafts (38, 40) is avoided through the use of a retractable shaft coupler which includes a sleeve (22) which can engage respective shafts (38, 40) at each of its ends and having at least one spring (28) coaxially positioned inside of the sleeve (22). The spring (28) is sandwiched and contained inside of the sleeve (22) by washers (24, 26) which are retained by splines (32, 34). The construct allows retraction from one of the shafts (40) by moving the tubular member (22) in the axial direction away from the shaft (40) against the bias of the spring 28.

Abstract: Turbine nozzle vane cooling difficulties may be avoided in a gas turbine including a rotary compressor (10), (14) having a turbine wheel (10), (16) connected to the same; a nozzle (34) having a plurality of vanes (36) surrounding the turbine wheel (10), (16) for directing products of combustion thereat; and a combustor (28) for burning fuel and providing the products of combustion to the nozzle (34). The vanes (36) have elongated openings (54) in the leading edges (42) thereof, the openings terminating in generally parallel, curved surfaces (62), (64) that merge with the leading edges (42). The openings (54) are in fluid communication with the compressor (10), (14) and, as a consequence, compressed air flowing out of the openings (54) attaches itself to the surfaces (66), (68) of the leading edge (42) of the vanes (36) to provide exit cooling.

Abstract: The problems of carbon build-up, poor fuel atomization, and fuel leakage in fuel injectors for turbine engines may be avoided if the fuel injector is fabricated by a method including the steps of: (a) providing a barrel (26) having an outlet end (44) adapted to be disposed in a turbine engine combustor (10), an inlet (46) adapted to be in fluid communication with the compressor of a turbine engine, an internal passage (40) extending between the inlet (46) and the outlet end (44) and a constriction (48) in the internal passage (40) between the inlet (46) and the outlet end (44) to define at least a partial venturi, (b) disposing a fuel tube (52) having a fuel injection end (54) within the internal passage (44), and (c) locating the fuel injector end (54) with respect to the constriction (48) at a position such that maximum fuel suction pressure is attained with a minimum reduction in air mass flow rate during operation of the injector.

Abstract: There is disclosed a laminated magnetic core characterized in that core-forming thin sheets each having a surface roughness such that the maximum height Rmax is at least 1 .mu.m are laminated together with a sheet-to-sheet distance of 2 to 10 .mu.m, desirably 3 to 6 .mu.m and that at least a part of protruded portions of the opposite roughed surfaces is diffusion-bonded to each other at the interface between adjacent thin sheets. The laminated magnetic core may have innumerable voids present at the diffusion-bonded interface between the adjacent thin sheets. This invention further provides a method of manufacturing a laminated magnetic core comprising the steps of providing a plurality of core-forming thin sheets each having a surface roughness such that the maximum height Rmax is at least 1 .mu.m; laminating and bonding said core-forming thin sheets one upon another through an organic adhesive, desirably at a sheet-to-sheet distance of 2 to 10 .mu.

Abstract: The problem of providing field power to a stationary main generator field winding (22) is addressed such that it can be used as a motor. A dynamoelectric machine (12) is operated as both a generator and a motor. An AC-AC exciter (14) is controlled by an exciter inverter (42) to operate as an exciter generator in a generate mode, and as a rotary transformer in a start mode. The exciter inverter (42) supplies low frequency power to an exciter field winding (28) in a generate mode of operation, and supplies high frequency AC power to the generator field winding (28) in the start mode of operation.

Abstract: A purge system for the fuel injection system of a turbine engine is simplified by utilizing a system including first and second three-way valves 42, 44, each having an inlet port 46, an outlet port 48, and an inlet-outlet port 50 together with a movable valve element 52 which can alternately connect the inlet-outlet port 50 to the associated inlet port 46 or associated outlet port 48. A purge line 66 is connected to the outlet port 48 of each of the valves 42, 44 and extends into an exhaust conduit 20 of a turbine engine. A first line 60 is connected to the inlet-outlet port 50 of a first of the valves 42 and is connected to a start injector 30. A second line 63 is connected to the inlet-outlet port 50 of the other valve 48 and is adapted to be connected to at least one main injector 26. Separate conduits 62, 64 connected to respective ones of the inlet ports 46 are connected to respective controlled sources 36, 38, 40 of fuel under pressure.

Abstract: An accessory for attachment to the front end of a vehicle for mounting engine driven components 84, 86 to the vehicle including a frame extension and mounting platform 42 having a front end 48 and a rear end 50, apertures 60 for use in mounting the frame extension and mounting platform 42 to a vehicle frame 10, 12, additional apertures 52 at the front end 48 for use in securing a vehicle bumper 40 to the frame extension and mounting platform 42, still further apertures 92 for use in mounting at least one engine driven component 84, 86 to the frame extension and mounting platform 42, a transfer shaft 66 having an axis directed generally from front to rear of the frame extension and mounting platform 42, bearings 68 on the frame extension and mounting platform for journaling the transfer shaft 68, a transfer pulley 70 mounted on the transfer shaft 66 near the rear end 50 and adapted to be connected by a belt 72 to an engine 24 to be driven thereby, a further pulley 74 on the transfer shaft 66 for connection by

Abstract: A vibratory conveyor arranged so that the vibrations have a substantially greater horizontal than vertical movement. More particularly, the vertical acceleration of material carried by the material-carrying member is less than the acceleration of gravity and therefore the material conveyed does not physically leave the surface of the material-carrying member. The result is a smooth flow of material from one end of the material-carrying member to the other.

Abstract: A window hinge assembly for mounting a window sash to a window frame including an elongated track mountable along an axis to the window frame and a generally planar sash arm mountable along an axis to the window sash. The sash arm is also mounted for movement in a plane parallel to the track axis and has one end positionable adjacent one track end when the window sash is closed. A pair of mirror image hat members are interchangeably attachable separately to the arm one end and the track one end, where each of the hat members have a base selectively securable to the arm and the track and a perpendicularly bent edge on one end. The hat member bases are trapezoidal and attached to the arm and track so that the outwardly facing base side is shorter than the parallel opposite base side, with the bent edge protruding perpendicularly from the base.

Abstract: In order to provide an expansive central recirculating gas zone (40) in a combustor (10), and in a manner wherein the combustion chamber (20) is of compact volume, a stored energy combustor (10) comprises a vessel (12) having narrow, spaced-apart inlet and outlet ends (14, 16) interconnected by a wall (18) defining a relatively wise combustion chamber (20). The combustion chamber (20) is generally annular and a wall (18) defining the combustion chamber (20) includes an upstream wall region (18a) and a downstream wall region (18c) interconnected by a generally annular side wall region (18b). The inlet end (14) and outlet end (16) are generally tubular extensions of the vessel (12) leading to and from the combustion chamber (20) and oxidant is swirled in the tubular extension (14) leading to the combustion chamber (20) and directed in a swirling annulus into the combustion chamber (20) outwardly of a fuel injector (28).

Abstract: To provide a highly functional yet very compact retractable reel assembly for a telephone extension cord, a housing is provided which is adapted to be mounted on a wall in proximity to a telephone or telephone jack for utilization with either wall mounted or table telephones, respectively. The retractable reel assembly includes a reel biased for rotation in one direction, a ratchet for selectively restraining rotation of the reel in the one direction, and an expansion chamber for a length of the cord within the housing, whereby the portion of the cord leading to the telephone or telephone jack can normally be wound in a radially and axially confined planar helical array. With this arrangement, the retractable reel assembly can allow the portion of the cord to be repositioned to a radially expanded helical array during withdrawal of the remainder of the cord from the housing and returned to the radially and axially confined helical array during retraction of the remainder of the cord into the housing.