Abstract: A mounting for an oil gun in an associated steam generation boiler which includes a stationary union block having first and second output ports for respective fluid streams; a removable block having first and second input ports dimensioned and configured for registration with the first and second output ports; apparatus for mounting the stationary union block which comprises a collar welded to the end of an associated guide pipe and apparatus coupling the collar and the stationary union block and allowing relative pivotal moment between the collar and the stationary union; and apparatus for forcing the removable union block against the stationary union block with the respective ports thereof in registered relationship. In some forms of the invention the apparatus coupling the collar and the stationary union comprises a pin, the pin extending through the stationary union block. The apparatus coupling the collar and the stationary union block may comprise first and second plates that are carried on the pin.

Abstract: A furnace apparatus which includes a plurality of water walls. Each includes a plurality of tubes and the water walls collectively enclose a combustion chamber. The apparatus includes a plurality of windboxes, each of the windboxes is disposed intermediate adjacent water walls. A pulverizer and ducting to direct the flow of pulverized coal to the windboxes is also a part of the apparatus in accordance with the invention as is a bisector regenerative air heater having a rotor a housing having a generally cylindrical cavity in which a drum shaped rotor having heat transfer surfaces thereon is mounted for rotation on a shaft. The heater includes ducting for directing flue gas and forced draft air respectively into first and second angular sectors of the cavity which at any one instant will flow over respective angular sectors of the rotor. The rotor is heated during the travel of any portion thereof in the first angular sector and is cooled in the second angular sector.

Abstract: A keyboard in which each key includes a light source and photodetector in a region such as a depression in a panel. The key signal is activated by inserting the finger into the depression so as to interrupt the beam. In one embodiment, the depressions are molded into a plastic surface. In another embodiment, the key support structure is a pair of closely spaced parallel panels. An array of key holes are formed in in one panel. An array of detecors and light sources is mounted on the second panel such that when the panels are assembled together, a light source detector pair is located with each key hole providing that the beam between the light source and photodetector will be interrupted when the user inserts his finger in the hole. In another embodiment, the key board has a pyramidal shape and armrests are provided to reduce repetitve motion stress.

Abstract: A mixing and delivery system for supplying small particles suspended in a liquid to form a slurry for delivery and recirculation which includes a mixing tank having an inlet and an outlet, a pump having an inlet and an outlet, a sample cell having an inlet and an outlet, an ultrasonic flow cell having an inlet and an outlet, and a transition bushing having an inlet and an outlet. The sample cell has first and second generally rectangular planar opposed faces, the inlet of the sample cell is rectangular and defined by two opposed sides which are respectively part of the first and second generally rectangular planar opposed faces. The opposed sides are much longer in length than the intermediate opposed sides of the rectangular inlet. The outlet of the mixing tank is connected to the inlet of the pump and the outlet of the pump is connected to the inlet of the transition bushing by a circular cross section tube, that is coupled directly to the inlet of the sample cell.

Abstract: A coal nozzle apparatus which includes a generally cylindrical main body and a generally cylindrical tip section disposed in generally coaxial relationship with the main body. The apparatus includes apparatus for mounting the tip section in relation to the body section, including two coaxial pins which, each have an axial portion cooperating with the main body and another axial portion connected to the tip section; each of the pins has a head, each of which is disposed proximate to the geometric center line of the body portion. Each of the pins has an axis that is generally coincident with a diameter of the main body. In some forms, the head of each pin is generally cylindrical in shape and the apparatus for mounting includes respective counterbores dimensioned and configured for cooperation therewith. The apparatus for pivoting may include a generally cylindrical nozzle front that is fixed to the main body and has an inner face, with the tip section disposed in side abutting relation to the nozzle front.

Abstract: Apparatus for cooperation with an associated furnace having the capability of burning either coal or oil wherein the improvement includes a coutant having an opening in the bottom thereof. An extended ash hopper is disposed under the coutant. The hopper includes a portion that extends beyond the coutant and a furnace sidewall that abuts an end of the coutant. The ash hopper is generally registered with respect to the opening and the apparatus includes apparatus for conducting gases to be recirculated including a recirculation fan, a duct coupling the apparatus for conducting to the ash hopper; and apparatus for sealing the portion with respect to the duct. In some forms of the invention the duct enters the laterally extending portion through the top thereof. The apparatus for sealing may include first apparatus for receiving a liquid and apparatus for sealing includes at least a first plate fixed to and depending form the coutant.

Abstract: A duct for joining a higher velocity application to a lower velocity application such as a heat recovery vapor generator inlet duct apparatus for installation intermediate the exhaust of an associated gas turbine and an associated heat recovery vapor generation apparatus which includes a housing having an inlet and an outlet. The housing has the inlet and the outlet axially offset with respect to each other; and apparatus for directing fluid flow from the inlet to the outlet, the apparatus for directing fluid flow including at least one array of mutually parallel flat plates in stair step relationship extending substantially across the path of gases entering the inlet. In some forms of the invention the apparatus also includes a second array of mutually parallel flat plates in stair step relationship extending substantially across the path of gases exiting through the outlet.

Abstract: Apparatus for installation in an associated coal pipe for directing pulverized coal to an associated furnace assembly that includes a housing having an inlet, an outlet, and an access port intermediate the inlet and the outlet. The apparatus also includes a generally circular orifice, a tray dimensioned and configured for carrying and engaging the orifice and apparatus. The chamber is generally aligned with the access port and is dimensioned and configured for receiving the tray with the orifice carried thereon. The apparatus in the housing defining a chamber allows sliding movement of the tray with the orifice carried thereon into and out of the chamber through the access port.

Abstract: An electrical cable penetration seal apparatus which includes a compliant module having an inner and outer regions of different durometer characteristics. In some forms of the invention the outer region has a higher durometer elastomer and a central region which is made from a lower durometer elastomer. The compliant module has an outer rectangular cross-section and the central region is a cylindrically shaped in some forms of the invention.

Abstract: A control apparatus which includes apparatus for storing a first digital code, apparatus for storing a second digital code, and apparatus for comparing the first and second digital codes, the apparatus for comparing including first and second generally dish shaped members that are dimensioned and configured for nesting relationship. In some forms of the invention the dish shaped members are each rotationally symmetrical. The first and second dish shaped members may each include a plurality of steps on the face thereof. At least one of the first and second dish shaped members includes a plurality of steps on the face thereof. The other of said first and second dish shaped members may includes a plurality of steps on the face thereof. The apparatus will often include means for conducting disposed respectively in contact with the conductive generally planar members. Some of the generally planar members may have tab portions for connection thereto.

Abstract: Apparatus for preventing theft of an automobile by obstructing rotational movement of an associated steering wheel of an associated automobile where the steering wheel has spokes connecting a hub to a rim, which includes a bar having a length that is greater than the diameter of the associated steering wheel with which the apparatus cooperates. The bar has first and second axial portions. The apparatus includes first and second apparatus for engaging at least two spokes of the associated steering wheel and apparatus for securing the first and second apparatus for engaging respectively to the first and second axial portions of the bar. The apparatus also includes apparatus for engaging the spokes of the steering wheel to the bar.

Abstract: An economizer apparatus for a fossil fuel fired vapor generation apparatus which includes a housing having an inlet and an outlet and a wall extending generally between the inlet and the outlet to define first and second flow paths in the housing. The inlet may include means for connection to an associated vapor generation apparatus and means for connection to an associated stack. Heat exchange tubing is disposed in the first flow path having the interior thereof coupled to associated working fluid of the vapor generation apparatus. The apparatus also includes apparatus in the second flow path to control flow in the second flow path. In most embodiments of the invention the apparatus also includes a bypass conduit for selectively directing fluid flow around the heat exchange tubing. Ordinarily this will be desirable when the damper is obstructing fluid flow in the second flow channel.

Abstract: A furnace apparatus which includes a plurality of water walls each including a plurality of tubes, the water walls collectively enclose a combustion chamber. The apparatus includes a plurality of windboxes and each of the windboxes are disposed intermediate adjacent water walls. A seal assembly seals the interface between respective windboxes with the water walls adjacent thereto and each of seal assemblies comprising first and second generally planar plates disposed in face to face abutting relationship. The apparatus also includes first means for mounting the first plate to the water wall and second means for mounting the second plate to the windbox. The means for mounting the first plate and the means for mounting the second plate define a chamber therebetween, the apparatus also includes means for enclosing the chamber that includes a flexible member allowing relative movement between the first and second plates.

Abstract: A variable angle torque transmitting coupling apparatus for use in an automobile steering column as well as other applications which includes a first member which is generally T-shaped and has an elongated shaft and an elongated head each having an axis. The respective axes thereof are disposed substantially at a right angles. A second member includes a housing in which an elongated slot is disposed, the slot is dimensioned and configured for receiving the head of the first member. The head has side surfaces which are cylindrical section shaped and the sides of the slot are dimensioned and configured for receiving the head. The slot has a generally planar bearing surfaces on the sides thereof which engage the cylindrical section shaped surfaces of the head with sliding engagement therebetween. The head has surfaces at the axial extremities thereof which are spherical section shaped and which slidingly engage spherical section shaped members.

Abstract: A damper assembly particularly adapted for use in a hot furnace application that includes a damper blade, a housing having a passageway therein dimensioned and configured for receiving the damper blade, and a shaft carrying the damper for rotational movement in the passageway in the housing. A bearing is disposed at one axial extremity of the shaft. The apparatus also includes bearings including a bearing housing member having an interior portion thereof which is spherical section shaped and a bearing member disposed therein having an outer surface that is a spherical section dimensioned and configured for cooperation with the inner portion of the bearing housing member. The inner members has a bore tightly engaging the shaft and the bore has inboard and outboard ends. The inner member includes a counterbore disposed in concentric relationship with the bore at the inboard end thereof. A seal is disposed in the counterbore intermediate the shaft and the walls of the counterbore.

Abstract: A walker for an infant or incapacitated adult which includes a frame work dimensioned and configured for placement around the user having an upper member dimensioned to enable the user to support him or herself and a lower member encircling the legs of the user, the upper and lower members being disposed in spaced relationship. The apparatus also includes a plurality of wheels carried on the second member at spaced parts thereof and apparatus for locking the wheels responsive to passage of the walker into a predetermined zone of danger. In some forms of the invention the apparatus for locking includes a apparatus contacting the circumference of each of the wheels. The wheels may be caster wheels and the apparatus for locking may include a plurality of holes in the circumference of each wheel and a pin dimensioned and configured for engaging the holes. The apparatus for locking may include a cable connected to each pin for limiting axial motion thereof.

Abstract: A seal or connector and seal apparatus which includes a generally annular member having an outer surface and an inner surface and a plurality of tabs extending generally radially from at least one of the surfaces. The tabs are disposed to engage axially spaced teeth of an associated helically shaped threaded surface.

Abstract: The invention of this disclosure is an economical sealing device that utilizes two seals to protect an electrical power cord or cable from its environment. The cord or cable couples a power source to electrical equipment that is located behind a material. A standard cord grip is used to push a molded assembly, (which is located at the end of the cable passing through the material) against a molded seat assembly to obtain a first seal. The second seal is obtained by tightening the cord grip with a nut.

Abstract: An improved wheeled cart includes a frame having upper and lower frame portions. Upper and lower baskets are connected, respectively, to the upper and lower frame portions. A removable shell is disposed on a part of the lower frame portion and on a part of the lower basket. The shell includes a seat for locating a seated child directly below the upper basket. Preferably, the shell has a shape which typically is pleasing to the child. The shape is, for example, of a motor vehicle, train, aircraft, spacecraft or the like.