Abstract: A device (10) particularly suited for use for purposes of effecting the rotation of a reactor coolant pump motor (12) and flywheel (18) when the latter is required to be rotated, as for instance, in order to accomplish an ultrasonic and eddy current examination of the flywheel (18). The subject device includes housing means (20) of a multipartite construction capable of being secured in surrounding relation to the shaft (16) of the pump (12). Within the housing means (20) there is provided ball bearing means (26) and driven gear means (28). In addition, the subject device (10) also includes drive motor means (30) that is operatively associated with a drive gear means (36). The latter drive gear means (36) of the drive motor means (30) is supported in cooperative relation with the driven gear means (36) of the housing means (20) such that rotation of the drive motor means (30) is imparted to the drive gear means (36) and therefrom to the drive gear means (28).

Abstract: A system for treating solid, granular and aggregate material thermally including a storage silo containing a supply of the material to be thermally treated. A combination thermal reclaimer and heat exchanger apparatus is connected in fluid flow relation to the storage silo for receiving material therefrom. The combination thermal reclaimer and heat exchanger apparatus is operative to both effect a preheating of material received thereby and to accomplish a thermal reclamation of the material received thereby as the material completes its passage through the combination thermal reclaimer and heat exchanger apparatus. A feeder device is cooperatively associated with the combination thermal reclaimer and heat exchanger means for receiving thermally reclaimed material therefrom. The feeder device has a transporter pipe cooperatively associated therewith into which thermally reclaimed material is fed. The transporter pipe is operative for transporting the thermally reclaimed material to a material storage device.

Abstract: A system (10) particularly suited for reclaiming used foundry sand by means of thermal reclamation. The subject system (10) includes, arranged in cooperatively associated series relation, thermal reclaimer means (14), post reclaimer means (15), primary cooling means (16), separator means (18), classifying and dust removal means (19), scrubber means (20) and secondary cooling means (22). The used sand, which preferably is first fed through a lump-crusher, shake-out apparatus (12), is made to pass through thermal reclaimer means (14) while being heated to a predetermined temperature for a preestablished period of time in order to accomplish the burning away of the organic materials, i.e., matter, which are present in the used sand. From the thermal reclaimer means (14), the used sand passes to and through the post reclaimer means (15) for further reclaiming and then to and through the primary cooling means (16) wherein the heated sand is cooled to a suitable temperature.

Abstract: A system (10) particularly suited for treating solid, granular and aggregate material by means of thermal reclamation. The subject (10) includes, arranged in cooperatively associated series relation, storage hopper means (12), heat exchanger means (14), thermal pipe reclaimer means (16) and cyclone scrubber means (18). The function of the storage hopper means (12) is to store therewithin a suitable supply of grain size material, which is to be treated. At a preestablished rate the material is fed from the storage hopper means (12) to the heat exchanger means (14). While traveling through the heat exchanger means (14) the material is preheated to a first temperature. From the heat exchanger means (14) after undergoing metal separation and crushing of lumps, the material is supplied to the thermal pipe reclaimer means (16) wherein the material is heated to a specified temperature for a predetermined period of time in order to effect the burning away of organic matter which the material embodies.

Abstract: A journal bearing system (50, 52) particularly suited for use in a bowl mill (10) of the type that is employed for purposes of effecting therewithin the pulverization of material such as coal. The function of the subject journal bearing system (50, 52) is to provide the bearing support for the journal shaft (22, 54) on which the pulverizer roll (20) is mounted that through the coaction thereof with a suitable surface (14) provided for this purpose effects the pulverization of material.

Abstract: An apparatus (14) embodying heat exchange means for treating solid, granular and aggregate materials, and in particular for treating spent, i.e., used, chemically bonded foundry sand. The subject apparatus (14) includes a rotatable first chamber means (16) and a rotatable second chamber means (30). The used foundry sand is preheated while traveling from one end thereof to the other end thereof through the first and second chamber means (16, 30). From the second chamber means (30) the preheated used foundry sand is suitably conveyed to a thermal reclaimer means (12) for purposes of thermally removing organic matter therefrom. Thereafter, the used foundry sand is conveyed to a fluidizing chamber means (48) which is located in surrounding heat exchange relation to the first chamber means (16).

Abstract: A vane wheel arrangement (30) particularly suited for use in a bowl mill (10) of the type that is employed for purposes of effecting therewithin the pulverization of materials such as coal. The subject vane wheel arrangement (30) which is positioned within the bowl mill (10) so as to be located in the path of flow of the air that in flowing through the bowl mill (10) transports therewith the pulverized material, is operative to effect a primary classification of the pulverized material. Encompassed within the subject vane wheel arrangement (30) are vanes (36) supported on the rotatable grinding surface (14) of the bowl mill (10) for rotation therewith, and a converging/diverging orifice (38) located in spaced relation to the rotatable grinding surface (14). Both the vanes (36) and the exposed surfaces of the converging/diverging orifice (38) are formed of a material that is noted for its good abrasive resistant qualities.

Abstract: A tubular member (40, 40') which has heat pipe cooling means (48, 48') cooperatively associated therewith and which is particularly suited for use in the manner of a nozzle for purposes of effecting the introduction of fuel, air, etc. into a substantially closed area 12 in which combustion takes place. The subject tubular member, i.e., nozzle, (40, 40') is suitably supported relative to the aforesaid combustion area (12) such that one end (30, 30') of the former (40, 40') communicates with the interior of the combustion area (12) and the other end (32, 32') thereof communicates with the exterior of the combustion area (12). Heat pipe means (48, 48') having an evaporator, i.e., hot, end and a condenser, i.e., cold, end is suitably supported in surrounding relation to the tubular member (40, 40') so as to be operative to effect a cooling of the latter (40, 40'). Within the heat pipe means (48, 48'), there is established a flow path along which a continuous flow of fluid occurs.

Abstract: An apparatus (14) embodying heat exchange means for treating solid, granular and aggregate materials, and in particular for treating spent, i.e., used, chemically bonded foundry sand. The subject apparatus (14) includes a rotatable first chamber means (16) in which the used foundry sand is preheated while traveling in a first direction therethrough from one end thereof to the other end thereof. From the first chamber means (16) the preheated used foundry sand is suitably conveyed to a thermal reclaimer means (12) for purposes of thermally removing organic matter therefrom. Thereafter, the used foundry sand is conveyed to a second chamber means (44) wherein the used foundry sand undergoes post reclamation whereby any organic matter that may yet remain in the foundry sand is thermally removed therefrom. From the second chamber means (44) the used foundry is made to pass into a third chamber means (52) which is located in surrounding heat exchange relation to the first chamber means (16).

Abstract: A compression hub (10) for use in a fusion reactor system comprising a multiplicity of compression plates (24, 24') that are polygonal in configuration, and which are arranged in vertically stacked, substantially abutting relation to each other. The compression plates (24, 24') are suitably interconnected, such as by welding, around the periphery thereof so as to provide a compression hub (10) that is in the form of a unitary structure. Each of the compression plates (24, 24') is provided with fluid flow means (30, 32, 30', 32'). The fluid flow means (30, 32, 30', 32') of the compression plates (24, 24') cooperate with one another to establish a fluid flow path for coolant through the compression hub (10). Each of the compression plates (24, 24') is further provided with eddy current prevent means operable to impede the circulation through the plates (24, 24') of eddy currents induced by changes in the magnetic flux field.

Abstract: A control system (10) employable for purposes of effecting the operation of a plurality of actuable devices, which are located at a subsea site, from a position that is remote therefrom. More specifically, the subject control system (10) is particularly suited for employment for purposes of hydraulically effecting the operation of the valves of a subsea christmas tree (30). To this end, the subject control system (10), on the one hand, is connected in fluid flow relation with a surface control center (16) from whence hydraulic fluid is supplied under pressure, and, on the other hand, is connected to a subsea sequence valving means (12) which receives the hydraulic fluid under pressure from the surface control center (16) and in turn transmits hydraulic power to the operators (46, 48, 50, 52, 54, 56) of the christmas tree valves to cause the latter to move in accordance with a predetermined operating program (32).

Abstract: A direct fired system (10, 10') includes pulverizer means (14, 24), classifier means (12, 16, 18, 48, 76), burner means (16, 16') as well as a defined fluid flow path that serves to interconnect the pulverizer means (14, 24) and the classifier means (12, 26, 28, 48, 76) in fluid flow relation with the burner means (16, 16'). In accord with the mode of operation thereof, at the classifier means (12, 26, 28, 48, 76) a separation is had of the stream of the gaseous medium such that a portion of the gaseous medium is recirculated along with the oversize solid fuel particles back to the pulverizer means (14, 24) while the remainder of the gaseous medium is operative to convey the solid fuel particles that are of the desired size from the classifier means (12, 26, 28, 48, 76) to the burner means (16, 16') for burning, i.e., firing, in the latter.

Abstract: A system (10) particularly suited for reclaming used foundry sand by means of thermal reclamation. The subject system (10) includes, arranged in cooperatively associated series relation, thermal reclaimer means (14), post reclaimer means (15), primary cooling means (16), separator means (18), classifying and dust removal means (19), scrubber means (20) and secondary cooling means (22). The used sand, which preferably is first fed through a lump-crusher, shake-out apparatus (12), is made to pass through thermal reclaimer means (14) while being heated to a predetermined temperature for a preestablished period of time in order to accomplish the burning away of the organic materials, i.e., matter, which are present in the used sand. From the thermal reclaimer means (14), the used sand passes to and through the post reclaimer means 15 for further reclaiming and then to and through the primary cooling means (16) wherein the heated sand is cooled to a suitable temperature.

Abstract: A fire resistant connection (28) that embodies a sealing means (36) and that is operable for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (32, 34), and in particular mating surfaces (32, 34) of the type that commonly are found to be present in wellhead and valve equipment (10). The subject fire resistant connection (28) includes mating seal surfaces (32, 34) and the aforementioned sealing means (36). The sealing means (36) comprises a seal ring (36), which includes a plurality of seal lips (38, 40) and a pair of scalloped ribs (42, 44), the latter (42, 44) being formed on the seal ring (36) so as to be located in interposed relation between a pair of adjacent seal lips (38, 40).

Abstract: A plug means for effecting a temporary blockage of a passage through which liquid is designed to flow. The subject plug means includes a frame means capable of being readily disassembled and embodying in the assembled state dimensions corresponding to the cross-sectional dimensions of the passage in which the plug means is to be employed, and inflatable means mountable on the frame means and co-operable therewith for providing a liquid tight seal in the passage. The frame means comprises a frame member including a plurality of readily interconnectable sections of plate, the latter each possessing a high strength-to-weight ratio; interconnecting means for effecting the interconnection of the plurality of plate sections; and securing means cooperable with means provided in the side walls of the passage for securing the frame means and thereby the plug means in the passage in blocking relation thereto.

Abstract: A mill recirculation system (10, 40) that is operative for purposes of effecting the pulverization and firing of solid fuels, while yet possessing all of the desirable features of a direct fired system. The subject system (10, 40) includes pulverizer means (14, 48), classifier means (12, 44) and burner means (16, 68) as well as a preestablished fluid flow path by which the pulverizer means (14, 48) and the classifier means (12, 44) are interconnected in fluid flow relation with the burner means (16, 68). In accord with the mode of operation of the subject mill recirculation system (10, 40) a stream of solid fuel is made to flow along the fluid flow path such that the solid fuel is pulverized in the pulverizer means (14, 48), classified according to particle size in the classifier means (12, 44) and fired in the burner means (16, 68).

Abstract: A fire resistant connection (14) that embodies a sealing means (44) and that is operable for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (52, 54), and in particular mating surfaces (52, 54) of the type that commonly are found to be present in wellhead and valve equipment (10). The subject fire resistant connection (14) includes mating seal surfaces (52, 54) and the aforementioned sealing means (44). The sealing means (44) comprises a seal ring (44), which includes a plurality of seal lips (46, 48) and a dovetail-shaped rib (50), the latter (50) being formed on the seal ring (44) so as to be located in interposed relation between the pair of adjacent seal lips (46, 48).

Abstract: A fire resistant connection (16) having heat transfer means (46) cooperatively associated therewith and that embodies a U-like sealing means (44). The fire resistant connection (16) with heat transfer means (46) is operative for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (22, 18). The heat transfer means (46) includes a first heat transfer element (58), and a second heat transfer element (60). The subject fire resistant connection (16) includes the aforementioned U-like sealing means (44) and the aforereference mating surfaces (22, 18).

Abstract: A fire resistant connection (12) that embodies a T-like sealing means (44) and that is operable for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (18, 26), and in particular mating surfaces (18, 26) of the type that commonly are found to be present in wellhead and valve equipment (10). The subject fire resistant connection (12) includes mating seal surfaces (18, 26) and the aforementioned T-like sealing means (44). The T-like sealing means (44) comprises a T-shaped seal ring (44), which includes a plurality of seal lips (46, 48) and a rib (50), the latter (50) being formed on the seal ring (44) so as to be located in interposed relation between a pair of adjacent seal lips (46, 48).

Abstract: A fire resistant connection (16) that embodies a U-like sealing means (44) and that is operable for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (56, 58), and in particular mating surfaces (56, 58) of the type that commonly are found to be present in wellhead and valve equipment (10). The subject fire resistant connection (16) includes mating seal surfaces (56, 58) and the aforementioned U-like sealing means (44). The U-like sealing means (44) comprises a U-like seal ring (44), which includes a rib (46) from which a pair of legs (48, 50) depend. Each of the pair of legs (48, 50) terminates in a planar seal lip (52, 54). Each of the seal lips (52, 54) is suitably configured so as to be positionable in sealing engagement with a corresponding one of the mating seal surfaces (56, 58), the latter (56, 58) embodying a configuration that is complementary in nature to that of the seal lips (52, 54 ) engaged thereby.