Abstract: An automatic code date application device for labelling packages which includes a package staging area, a conveyor for moving staged packages sequentially along a predetermined path of travel, a code date application device automatically applying a code date to the sequentially moving packages, and package completion elements positioned to receive and complete the moving packages bearing the applied code date.

Abstract: A filling head for loading food articles such as franks into individual packaging trays is adapted for quick connect to a power system and a loader parent machine. The filling head comprises an open frame, at least two spring loaded flapper doors hingeably attached to the frame, and a pusher bar unloading system capable of operable connection to the power system of the parent machine to intermittently discharge food articles from the filling head to the individual packaging trays positioned below the flapper doors. The pusher bar unloading system includes a drive rod which can be connected to the periphery of a flywheel by quick connect means to run in an smooth continuous reciprocating motion to deliver an up and down motion to a horizontal shaft slideably mounted on the frame and an associated set of pusher bars and elongated pusher members.

Abstract: A method and apparatus for covering portions of an object having an outer peripheral surface with a sheet of material having an upper surface and a lower surface with a pressure sensitive adhesive on at least a portion of the lower surface by wrapping the sheet of material about portions of the outer peripheral surface and positioning the sheet of material so that the pressure sensitive coating either contacts portions of the outer peripheral surface of the object and is bonded thereto or contacts overlapping portions of the sheet of material and is bonded to other adjacent portions of the sheet of material having the pressure sensitive coating thereon or overlapping portions of the sheet of material are bonded by the pressure sensitive adhesive and wherein the sheet of material may be constructed from paper and have an embossed pattern therein.

Abstract: An assembly and method provide a continuous supply of packaging film to a form, fill and seal packaging machine with two spindles alternately operating as the active spindle to feed the film from one roll at a time. Opposed pneumatic manifolds are operative to splice the tail-end of the film from the active roll to the head-end of the film from the standby roll. The opposed manifolds pivot in opposite directions away from the machine to provide easy access for loading. A programmable controller controls the splicing operation. Valves operated by the controller connect a vacuum source to one of the manifolds to hold the head-end at a splicing station and to the other to maintain tension on the active film after the tail-end leaves the spindle. An end-of-roll detector near the spindle triggers the tensioning function. The width of the manifold is adjustable to accommodate different width film. A photocell detector and encoder in the circuit allow tracking of the tail-end.

Abstract: Apparatus and a method for inserting documents into an envelope. The apparatus includes: an envelope inserting station; a device for feeding documents toward an envelope situated at the envelope inserting station; a device for inserting the documents into the envelope; a device for sensing whether or not the envelope is properly aligned at the insert station to receive the documents; and a device for diverting an envelope not properly aligned at the insert station.

Abstract: An automatic packaging machine comprises a spaced parallel pair of conveyor chains for transporting a plurality of mandrels. A pair of guide rails connected between the conveyor chains for slidably carrying each mandrel, so that a mandrel may be moved in a product transport position to a loading station. At the loading station, the mandrel is thrust forward to confront a box so that the product may be pushed into a box. The mandrel may be made wider to accept product without a precise alignment between mandrel and product or more narrow to fit the product into a box at the loading station. Two cam slots are provided to independently control the thrust position and the width of the mandrel. A stabilization support provides enough play to dissipate centrifugal force and thereby enable the machine to operate at a higher speed.

Abstract: A dough cutting and packing apparatus for cutting a sheet of dough into dough pieces and transferring the dough pieces to containers. A cutting unit is defined by a plurality of cutting plates having dough retaining openings. The sheet of dough is partially sheeted into the dough retaining openings by an initial compressor roll which is spaced from an upper surface of the cutting plates. A terminal compressor roll contacts the upper surface of the cutting plates, and acts to sheet a remaining portion of the dough sheet into the dough retaining openings to divide the dough sheet into a plurality of dough pieces retained in the openings. The initial compressor roll is driven at a peripheral rate of speed that exceeds an instantaneous liner rate of speed of the cutting unit. The terminal compressor roll is frictionally driven via contact with the cutting plates such that a peripheral rate of speed of the terminal compressor matches the linear rate of speed of the cutting unit.

Abstract: A new apparatus is provided as part of a system for use in hospitals and the like, which safely stores and packages biohazardous wastes. The upper portion of the apparatus includes a pneumatically operated descending pressure plate and anti-pathogen provisions. The lower portion encloses a slide-out compartment in which disposable waste containers are placed. Bags containing such wastes are deposited in the container from time to time and are continually exposed to ultraviolet light, while air is drawn away for filtering and safe discharge. When several bags of waste have been so deposited, a planar divider for the waste container is pressed downward, gently leveling the bags of waste beneath it, while the air expelled is sprayed with an anti-pathogenic spray. These operations are repeated using a succession of such dividers until a container has been substantially filled; it is then removed for disposal. Novel safety features are incorporated in the pneumatic circuitry.

Abstract: An apparatus for assembling antibody testing devices for use in conducting biotests which utilize a powder fluid absorbing material to fill the housing of the antibody testing devices. The apparatus has several stations at which the various assembly steps take place. At the first station, lower housing portions of the antibody testing device are loaded onto a conveyor belt. At a second station, the lower housing portions are loaded with a fluid absorbing powder. At a third station, the powder loaded lower housing portions are engaged with a slotted indexing carousel wheel and are carried away from the conveyor belt. At a fourth station, the liquid absorbing powder in the lower housing portion is compressed therein. At a fifth station, a disk of filter material is placed atop the liquid absorbing powder loaded into the housing portion. At a sixth station, caps carrying membranes which have been spotted with receptors are engaged with the powder filled housing portion.

Abstract: A bicycle powered mower comprises a securing member which connects to the front fork of a bicycle, a universal joint portion connected to the securing portion, and a mower connected to the universal joint portion. When a bicycle, with its front wheel removed and the securing portion of the bike mower secured to the front fork, is propelled by conventional means, the mower will move over an area to be mowed. The universal joint portion permits the bicycle to be turned without tilting the bike.

Abstract: An indicator mechanism for visually displaying the full condition of a lawn mower grass collection bag, specially adapted for use on a riding lawn mower having a rear mounted bag. The indicator mechanism comprises a housing mounted to the discharge chute leading from the mower cutting deck to the collection bag, in a position visible to the driver during normal cutting operation of the mower. The housing includes a compartment in communication with the interior of the discharge duct through a suitable opening. An indicating member is hingedly disposed within the housing and is movable between a lowered position and a raised position in response to pressure variations caused by changes in the air flow within the duct. When the collection bag becomes full, high pressure within the duct forces the indicating member to its raised position, where it is visible to the driver through a window formed in the side of the housing.

Abstract: The present invention is an improvement to a process for the production of work to generate electricity or to drive a mechanical device using a gas turbine. In the process, feed air stream is compressed and combusted with a fuel gas to produce a combustion product. This combustion product is expanded in a gas turbine expander, thereby producing a hot exhaust gas and work. This produced work is used to generate electricity or to drive a mechanical device. The improvement to the process, which increases the work produced by the gas turbine expander, is characterized by cooling nitrogen product, produced by a cryogenic air separation unit to a subambient temperature and combining this subambient cooled, nitrogen product with the feed air stream prior to compression.

Abstract: A combustion system for a gas turbine engine provides a reaction limiting means for preventing the combustion process within the combustion chamber of the engine from proceeding towards completion by limiting the reaction rate or duration of the reaction process sufficiently such that a clean combustion gas is produced having substantially less carbon particles than for a combustor effective for essentially complete combustion. The invention also provides an efficient method of removing carbon deposits which do form by controlling the combustor shutdown technique in such a way as to cause the carbon to be oxidized. The preferred embodiment provides an aircraft emergency power unit having a high pressure air storage tank, an aviation fuel storage tank, and a combustor with a reaction limiting means which combusts pressurized air and aviation fuel in a fuel rich ratio to produce a motive combustion gas in a reaction limiting means.

Abstract: The invention relates to a method for operating a turbocompressor (12) having at least two compressor stages and a cooler (14) to which water is applied as coolant, the heated cooling water having a pressure exceeding the saturation pressure, with the result that said cooling water is partially evaporated in an evaporation vessel (30) at an intermediate pressure level less than the saturation pressure. The steam thus produced evacuates by means of an ejector (34) a second evaporation vessel (32), in which a proportion of the residual water of the first vessel (30) is, in turn, evaporated and the remaining water is cooled below 100.degree. C.

Abstract: A system for preheating air before it enters the combustion chamber of a gas turbine engine includes a recuperator which extends between, and is supported by, forward and rear headers. Cold air to be pre-heated by the recuperator flows through an entry passage in the forward header, then into and through a first conduit of the recuperator which extends the length of the recuperator. The air then flows through a plurality of cross conduits located at different locations along the length of the recuperator where it becomes heated. Flow of the now-heated air continues into a second conduit in which it is guided toward the combustion chamber. Sleeves are provided, respectively, in the entry passage of the forward header and in the first conduit of the recuperator for maintaining substantially constant the pressure differential between the first and second conduits at all locations along the length of the recuperator.

Abstract: An improved rocket motor and a method for its manufacture are characterized by the provision of a thermoplastic elastomer binder in the outer casing, the insulation layer, and the propellant. When the motor is heated to the melting point of the binder, the bondlines between the propellant and insulation and between the insulation and casing are simultaneously fused to form a unitary motor structure.

Abstract: Diesel engine exhaust filter system for off-road vehicles. The system has a trap device and controlling mechanism on the vehicle. An electrical power source and a combustion air source are off-board. The controlling mechanism monitors backpressure to determine when regeneration is required. The vehicle is parked at a regeneration station for connection to the air source and power source for regeneration, which is then controlled by the controlling mechanism on-board.

Abstract: An air/fuel mixture ratio control apparatus for an internal combustion engine which carries out a fault diagnose for a secondary air supply apparatus is disclosed. The secondary air supply apparatus is installed in the engine so as to operatively introduce a secondary air to a part of an engine exhaust gas passage upstream of an oxygen concentration sensor during an engine cold duration. The air/fuel mixture ratio control apparatus compares an updated learning value of the air/fuel mixture ratio stored during the air/fuel mixture ratio feedback control and during the introduction of the secondary air to the exhaust gas passage with the updated learning value of the air/fuel mixture ratio stored during the air/fuel mixture ratio feedback control and during no introduction of the secondary air to the exhaust gas passage so as to diagnose the fault secondary air supply apparatus.

Abstract: A secondary air supply control system for an internal combustion engine having at least one catalyst arranged in the exhaust system comprises an electric air pump for supplying secondary air to the exhaust system at a location upstream of the catalyst, and a catalyst temperature sensor for detecting the temperature of the catalyst. The ECU calculates a rate of variation in the temperature of the catalyst detected by the catalyst temperature sensor per a predetermined time interval, and controls an amount of secondary air to be supplied by means of the electric air pump, in response to the calculated rate of variation in the temperature of the catalyst.

Abstract: An engine comprising an exhaust passage having therein a NO.sub.x absorbent which absorbs the NO.sub.x when the air-fuel ratio of the exhaust gas flowing into the NO.sub.x absorbent is lean and releases the absorbed NO.sub.x when the concentration of oxygen in the exhaust gas is lowered. When the air-fuel ratio of air-fuel mixture fed into the engine cylinder is made a rich air-fuel ratio or the stoichiometric air-fuel ratio, a secondary air is fed into the exhaust passage upstream of the NO.sub.x absorbent to make the air-fuel ratio of exhaust gas lean.

Abstract: A control device for controlling current supply to a resistance heater 2a for pre-heating an electrically heated catalyst 2 includes a controller 7 which begins to supply current to the resistance heater 2a when the ignition switch 8 is turned to the HEAT contact position, provided that the battery voltage is above an appropriate level. After the electrically heated catalyst 2 is thus pre-heated above a predetermined temperature, the controller 7 returns the ignition switch 8 either to the START contact to crank the engine or to the ON contact to wait for the driver to start the engine.

Abstract: A system for purifying an exhaust gas for use in an automobile is disclosed which does not externally discharge unburnt hydrocarbons until a catalyst becomes active. An adsorbent is provided upstream of the catalyst. A heat exchanger is disposed between an upstream portion of the adsorbent and a portion between the adsorbent and the catalyst for controlling the elevation of the temperature of the adsorbent and for promoting the elevation of the temperature of the catalyst. The unburnt hydrocarbons are absorbed by the adsorbent in the initial period of time from starting of an engine until the catalyst becomes active. Temperature control is made in such a manner that the unburnt hydrocarbons which are adsorbed by the adsorbent begins to be desorbed therefrom substantially simultaneously with the time when the catalyst begins to function.

Abstract: In an exhaust purification apparatus of an internal combustion engine having an NOx absorption and release material in an exhaust conduit, a heater is provided close to the NOx absorption and release material. When an NOx absorption operation continues for a predetermined period, the heater is switched on to raise the temperature of the NOx absorption and release material above a predetermined temperature, for example, 500.degree. C. When the temperature of the NOx absorption and release material is high, the NOx absorption and release material releases absorbed NOx and is regenerated.

Abstract: An exhaust manifold catalytic reactor and muffler for an automotive internal combustion engine includes at least one exhaust branch for conducting exhaust gases from the cylinder head exhaust ports of an engine to a hollow, generally cylindrical primary catalyst substrate for treating the exhaust gases flowing from the engine. The substrate has inner and outer surfaces which are generally cylindrical and which define an inner cavity. A housing connected to the exhaust branch places the exhaust gases in contact with the substrate and includes a generally cylindrical container having an outer wall and a transition section conducting the exhaust gases from the branch to the outer surface of the substrate such that the initial flow of the gases from the branch to the outer surface of the substrate such that the initial flow of the gases from the substrate is generally tangential.

Abstract: An exhaust system for vehicles and other devices with internal combustion engines such as boats, airplanes, lawnmowers, tractors, and the like, includes a sound attenuating chamber having a single, common opening in an imperforate container providing access for exhaust gases both to and from the container while attenuating the exhaust sound thereof. The system maintains low back pressure during operation. Resonator tubes and optional sound absorbing material may be used in the chamber to control exhaust sounds. An optional, remote-operated, sound control valve upstream of the chamber allows individualized control of the exhaust sound by the vehicle driver. An optional baffle in the exhaust outlet and/or an optional helical insert in the exhaust pipe further deadens the sound. In a preferred form, the system is attached downstream of a catalytic converter and includes dual sound attenuating chambers and dual exhaust outlets at the opposite vehicle sides between the front and rear wheels.

Abstract: A Stirling engine having a cooler, regenerator and heat exchanger stacked end to end along with a working cylinder position adjacent to the heat transfer stack and connected thereto by several connecting ducts. By using more than one hot connecting duct, their bending stiffness is less as compared with a single duct being the same area as the multiple ducts, allowing thermally induced relative displacement between the elements to occur. The heat exchanger includes a plurality of axially extending tubes spaced apart from one another with a combustor positioned adjacent to the tubes such that the combustion gases flow between the tubes. The tubes are preferably flattened in the direction of the gas flow between them to increase the surface area for heat transfer. Furthermore, wire is coiled around and brazed to the tubes creating a fin for additional heat transfer.

Abstract: A Stirling engine includes an expansion cylinder, a compression cylinder, and a plurality of conduits which each extend between and connect the expansion cylinder and the compression cylinder. A plurality of heating portions are provided, each of which is disposed in one of the conduits in order to be connected with the expansion cylinder. A plurality of cooling portions are also provided, each of which is disposed in one of the conduits in order to be connected with the compression cylinder. A plurality of regenerative portions are also included, each of which is disposed in one of the conduits in order to connect one of the heating portions and one of the cooling portions. Each of the regenerative portions possesses a length according to the temperature of the working fluid in the corresponding heating portion.

Abstract: A method of operating a combined gas and steam turbine cycle system including a steam turbine provided with steam from at least one heat recovery steam generator having a high pressure section and a low pressure section, wherein the steam turbine includes high pressure seals and low pressure seals, includes the steps of:a) when the steam turbine is operating at a load below a self-sealing load, supplying steam at a controlled, predetermined pressure to the high and low pressure seals from the high pressure section of the heat recovery steam generator; andb) after steam from the lower pressure section of the heat recovery stem generator exceeds the predetermined pressure, supplying the high and low pressure seals with steam from the lower pressure section of the heat recovery steam generator at a pressure higher than the predetermined pressure, andc) supplying steam from the high pressure section of the heat recovery steam generator whenever a turbine metal inlet temperature exceeds a predetermined reference t

Abstract: In a gas turbine combustion chamber (1) cooled by means of impingement cooling, the height of the cooling duct (5) formed by the perforated plate (3) and the impingement surface (4) increases continuously in the transverse flow direction to correspond with the supply of cooling air. Tubes (7) are arranged in the cooling duct (5) on the holes (6) of the perforated plate (3) in such a way that the impingement air meets the impingement surface (4) at right angles, the height of the tubes (7) increasing in the transverse flow direction in such a way that the distance between the tubes (7) and the impingement surface (4) is constant over the complete length of the cooling duct (5). By this means, the heat transfer coefficient remains constant along the impingement cooling section and uniform removal of heat is made possible. The cooling effect can be specifically controlled by a suitable choice of the diameter of the holes (6) and the height of the tubes (7).

Abstract: A nitrogen gas source for providing nitrogen gas at sequential work sites includes a channel for containing flowing gas at a pressure greater than ambient atmospheric pressure. A compressor provides compressed air at a pressure greater than atmospheric pressure to an up-stream end of the channel. A central portion of the channel includes a nitrogen module with a membrane wall portion for selectively constraining nitrogen within the channel while allowing other gases to escape from the channel through the membrane. A downstream portion of the channel includes a bifurcated channel section with a first bifurcated section passage having a first flow restrictor and second bifurcated section passage having a second flow restrictor. A two position valve allows flowing gas to be selectively directed through the first or second passage.

Abstract: The processes and apparatuses of the present invention are to be used in separating a mass of purified volatile solvent from a dilute solution of the solvent. They are used in purification of chemicals, water pollution prevention and water purification. The process comprises: (a) an in-situ formation of a smooth layer of solvent solid on a freezing surface while agitating the solid-liquid interface, (b) vaporization of an auxiliary medium to generate a first vapor, (c) in-situ washing of the surface of the smooth solvent solid and (d) in-situ melting of purified solvent solid by condensing a mass of super-triple point solvent vapor. Several types of auxiliary mediums to be used, methods of transforming the first vapor into a mass of liquid and methods of upgrading heat and regenerating the auxiliary mediums have been introduced.

Abstract: A system for a cooler comprises: a heat exchange tube receiving a supply of pressurized gas, a gas escape aperture communicating with the interior of the heat exchange tube for permitting escape of the pressurized gas and expansion thereof during cooling mode, and a bypass assembly associated with said heat exchange tube and located after said gas escape aperture which during a cleaning mode enables most of the pressurized gas to exit the heat exchange tube without flowing through said gas escape aperture. The bypass assembly comprises a flush valve which is closed during said cooling mode and which is opened during said cleaning mode. According to a preferred embodiment, the heat exchange tube is helically wound over a cylindrical core and installed inside an insulated housing. The system may also be utilized as a gas purity tester, optionally with an additional gas pressure regulator, wherein a sensor will indicate the extent of the gas purity.

Abstract: A refrigerant handling system that includes an air purge chamber and a refrigerant pump for directing refrigerant into the air purge chamber so that the refrigerant collects in liquid phase at a lower portion of the chamber while air and other non-condensibles collect in a vapor space at the upper portion of the chamber over the refrigerant. A purge valve is connected to the upper portion of the chamber for automatically or manually purging air and other non-condensibles from the chamber. A refrigerant outlet is positioned at the lower portion of the chamber for drawing liquid phase refrigerant from the chamber. A minimum level of liquid phase refrigerant is maintained in the lower portion of the chamber at the outlet isolating the outlet from the vapor space, and preventing removal of air and other non-condensibles from the chamber through the outlet.

Abstract: A bag for the recovery of used freon from an operational system comprising a bag formed of a strong lightweight flexible material having side walls which are cylindrical when expanded and having a closed outboard end and an open inboard end; sensor means within the container to indicate the percent of fullness of the container, the sensor means including a vertically extending support post coupled to the interior surface of the side walls and with an aperture extending centrally therethrough, the axis of the aperture being coextensive with the axis of the bag when expanded, a rotatable shaft secured through the aperture and a rod coupled to the shaft for rotation with regard to the post, the rod being of a length less than the post, the rod having a float ball at one end and an indicator arrow at the other end, and a threaded connector removably coupling the rod to the support bar for removal thereof; and a window formed in the side wall adjacent the pointer adapted to indicate the position of the pointer.

Abstract: A refrigerator has a refrigeration control mechanism including a base mounted in the food storage compartment. The base includes a support plate extending generally horizontally side-to-side in the compartment. A pair of thermostats are mounted under opposite end portions of the plate and a lamp is mounted between the thermostats. Each thermostat has an operating handle extending forward of the plate. A bezel is removably mounted to the base and extends along the front of the plate aligned with the thermostats and lamp. The bezel includes two slots which receive the handles and permit sliding movement of the handles to adjust the thermostats. The slots and handles are sized to permit removal of the bezel without removing the handles. A light shield, removably mounted to the base, includes a bottom wall extending under the plate, aligned with the thermostats and lamp, and a frame encompassing the periphery of the bezel. The upper edge of the frame overlaps the upper edge of the bezel.

Abstract: A "DX" heat pump is provided herein which is based on the principle of providing optimal heat exchange in the heating mode through three parallel ground loops, two of which can be cut off from the system and evacuated of refrigerant in the cooling mode. The loops are designed in terms of volume so that the refrigerant charge is correct in the heating mode when split in three loops and also correct in the cooling mode when only one loop is used, but it contains the full system refrigerant charge. The loops are provided with "TX" metering valves which can be individually operated to provide a staged cooling system.

Abstract: A heat storage type air conditioner which is free from a difficulty that, when a general cooling and heating circuit and a cold radiating and heat radiating circuit are operated separately or simultaneously, the quantities of refrigerant in those circuits become smaller or larger than required, so that its compressor is damaged or the cooling or heating capacity is lowered. When, in a heat storage type air conditioner, first and second bypass circuits 22 and 23 are closed, a general cooling and heating circuit 18 driven by a compressor 1 and a cold radiating and heat radiating circuit 21 driven by a refrigerant gas pump 13 are made independent of each other, so that a cooling operation or a heating operation is carried out with the aid of a first use-side heat exchanger 4a and a second use-side heat exchanger 4b. Therefore, in the air conditioner, the refrigerant or refrigerating machine oil will never concentrate in any one of the two circuits.

Abstract: A heat pump type air conditioner for an automotive vehicle is provided with a compressor to which an outer condenser and a inner condenser are connected through a three-way valve. The inner condenser is connected to an inner evaporator through an expansion valve. The air conditioner further includes a control unit which defines a relationship among a heating property, a physical amount according to which workload of the compressor is varied, and thermal operating condition of at least one of the inner evaporator and the inner condenser. The control unit determines the physical amount at a value from the relationship for the heating property and the detected thermal operation condition by sensors, and controls the compressor according to the determined physical amount.

Abstract: An air conditioning system in which a single heat source unit (A) comprising a compressor (1), a four-way valve (2), a heat source unit side heat exchanger (3) and an accumulator (4) is connected to a plurality of indoor units (B, C, D) through a first and a second connection pipes (6, 7). Each indoor unit (B, C, D) comprises a suction air temperature detecting device (50) for detecting a suction air temperature of the indoor unit, an opening degree setting device for setting a minimum valve opening degree of the first flow rate controller 9 in accordance with the difference between the target temperature and the suction air temperature and a first valve opening degree control device (52) for controlling the valve opening degree of the first flow rate controller 9 at a predetermined rate to the minimum valve opening degree.

Abstract: Method of and apparatus for heating or cooling a motor vehicle passenger compartment which communicates with a supply air duct for supplying a stream of air to the compartment and a used air duct for exhausting air from the compartment. A heat source in the form of a sorption reactor transfers heat energy to the air stream, with the reactor being provided with a sorbent such as zeolite or the like. The air stream passes through the reaction chamber of the reactor for extracting moisture from the air stream and adding adsorption heat to the air stream. The air stream then passes through an inflow duct before passing through the reactor, and passes from the reactor through an outflow duct at the outlet end of the reactor. A fresh air duct is provided for selectively feeding fresh air into the inflow duct, and an exhaust air duct opening into the atmosphere is provided for selectively communicating the outflow duct with the exhaust air duct.

Abstract: According to the present invention a transport refrigeration unit of the type adapted to be mounted on the front wall of and for conditioning the interior of a trailer is provided with a front cover adapted to be attached to a structural framework of the refrigeration unit. The cover includes a plurality of sections formed from a single thickness of polyethylene and also includes a plurality of sections formed from a composite structure. According to a preferred embodiment the composite structure is a twin sheet structure filled with a polyurethane foam. The composite structures comprise doors which are adapted to be hingedly mounted to the refrigeration unit. The hinges are attached to the composite structure by a combination of an interior and exterior support plate arrangement whereby one skin of the twin sheet structure is sandwiched between the plates.

Abstract: An electrical grounding system for an air conditioner which has substantially all components, except electrical and refrigeration circuit components, made from an electrically insulating material. The air conditioners indoor section includes a metal indoor heat exchanger and an indoor fan motor. The outdoor section includes a metal heat exchanger, an outdoor fan and a compressor. The indoor heat exchanger, outdoor heat exchanger and compressor are connected by electrically conducted tubing. A plastic electrical control box is mounted in the indoor section. The electrical control box has an electrically conductive grounding plate mounted in the interior thereof. Means are provided for interconnecting the ground lead from the units power service cord to the grounding plate. All electrical controls and other components in the indoor section are grounded directly to the grounding plate. An outdoor section grounding lead electrically interconnects the grounding plate with the outdoor heat exchanger.

Abstract: An air conditioner includes a case assembly having a front portion, a rear portion, and a top portion in which a suction aperture is formed, a heat exchanger, located in the case assembly, for performing heat exchange with respect to an indoor air introduced through the suction aperture. A blower is located in the case assembly, for supplying the indoor air introduced through the suction aperture into the heat exchanger and for expelling the indoor air from the case assembly after the heat exchange by the heat exchanger. And, open-close means are provided for the top portion of the case assembly, for selectively opening or closing the suction aperture.

Abstract: A refrigerator has a freezer compartment, a refrigeration compartment located beneath the freezer compartment, and a heating/cooling compartment located beneath the refrigeration compartment. The heating/cooling compartment contains its own heating and cooling mechanisms mounted on external surfaces of walls which form the heating/cooling compartment. The heating/cooling compartment can be used to ferment and then store food such as kimchi.

Abstract: A refrigeration system in which a compressed gas such as air is utilized in a rotary motor which enables the gas to expand for extracting heat by combining with or coming into contact with ambient atmosphere, air in an enclosure or articles, products or devices to be reduced in temperature. The rotary motor or expansion device is constructed in accordance with the well known structure of a Wankel engine except that the rotor of the motor is driven in relation to a stationary housing or casing by the introduction of compressed gas or air. The usually provided carburetor structure, intake manifold and ignition system are removed or modified with an inlet passage and exhaust passage being retained with the inlet passage being connected to a source of compressed air or gas through a control system and the outlet passage being communicated with atmosphere thus reducing the temperature of the expanded air or gas with the temperature reduction being up to 80.degree. F. to 90.degree. F.

Abstract: Equipment for cooling or maintaining the temperature of food or other products is disclosed. The cooling equipment uses turbulent rather than laminar (or no) airflow to promote and enhance product cooling and contemplates refrigeration tubing contacting the interior sides rather than exterior surfaces of an associated liner. Isolating the airflow system from the ambient environment reduces the possibility of product warming or contamination caused by contact with warmer, debris-laden ambient air.

Abstract: A method of producing a fashioned, one-piece flat knitted article for a garment includes knitting several knitted article parts having a front part, a rear part and two sleeves separately and sequentially so that in each knitted article part always several loop rows are knitted in accordance with a pattern for said each knitted article part before transferring to a next knitted article part, knitting the front part and a shoulder region of any shape and pattern after finishing the sleeves with the formation of an arbitrarily shaped neck opening between the front part and the rear part, transferring connecting rows of the sleeves in a loop-like manner inwardly in a direction of the shoulder region and the front and rear parts until sleeve connecting edges are completely turned inwardly relative to the front part and rear part, and subsequently finally knitting a last knitted article part in correspondence with a pattern for said last knitted article part.

Abstract: An injection nozzle for removing dust, lint and waste fibers from and lubricating a knitting unit located on a rotating cylinder of a circular knitting machine. The injection nozzle is located between the sinker cap and the sinker cam in general axial alignment with the sinker groove. The injection nozzle includes a tip opening located adjacent the knitting unit and includes a receiving end located opposite the tip opening. Mist-oil and air is supplied to the injection nozzle. A holder is mounted between the mist-oil supply and the injection nozzle to enable the mist-oil and air to move through the receiving end of the injection nozzle to be discharged at the tip opening of the injection nozzle for removing dust, lint and waste fibers from and lubricating the knitting unit when the knitting unit is located adjacent the injection nozzle by rotation of the rotating cylinder.

Abstract: A covering made of heat-resistant fibers for tools in contact with glass heated to beyond their softening point, in particular, for bending/tempering tools which are themselves heated in excess of the softening points of the glass sheets, is composed partially of metal fibers and partially of ceramic fibers.

Abstract: A device, the purpose of which is to prevent theft from stores by rendering the stolen object unusable for the thief. There is a radio loop transmitting a directed and coded signal which in turn is received by a receiver in the device. The receiver decodes the signal and transforms it to a start impulse for the release mechanism in the device. Hereby a glass or plastic ampule in the device is destroyed and its content, a fluid, spreads under pressure through holes in the device and renders the theft-protected item unusable.