Abstract: A housing arrangement and method for maximizing the number of houses with a line of sight to a view. The arrangement comprises a plurality of lots arranged side-by-side adjacent a view and along an imaginary arcuate string line which is connectable to other such string lines along an undulating path to define successive peaks closer to the view and valleys farther from the view. All lots thereby have a line of sight to the view. The lots are preferably each characterized by a building perimeter layout or envelope of predetermined configuration and orientation to enable substantially identical buildings to be placed on all of the lots.

Abstract: A prefabricated insulating and ventilating panel used between the exterior covering and framing components of a roof or wall in building construction has a rectangular plywood or oriented strand board deck spaced above a rectangular substrate of rigid closed foam thermal insulating material to provide air passageways to relieve heat buildup that causes wear of asphalt shingles and other roofing or wall covering materials, An alternative form includes a rectangular plywood or oriented strand board underdeck attached in contact with and below the insulating substrate to serve as sheathing for direct attachment to the building frame.

Abstract: A readjustable floor system permits cables of various sorts to be freely distributed therein and is capable of very flexibly coping with expansion and relocation of cables of various sorts already distributed. This system is constructed by forming unit members of an approximately U-shaped cross section each composed of a pair of floor member-supporting joists disposed parallelly on a floor surface in an opposed relation to each other across a fixed interval and a bottom plate laid to interconnect the lower parts of the joists, defining a space for distribution of cables and pipes inside the unit members, partitioning the space through an antistatic sheet, and detachably mounting unit floor boards one each on top of the unit members.

Abstract: A building curtain wall panel system is disclosed in which a plurality of mechanically fastened and bonded layers are provided to create a fire resistant, light weight and insulated panel which is easily installed and yet resists impact stress. The panel includes bonded layers attached to a steel frame. The strength and fire resistant properties are enhanced by a medium density calcium silicate composite panel. The exterior architectural design features may be varied by composite coatings including a variety of materials including acrylic resins, fibers, vicron, fungicide, coloring agents, cement and water.

Abstract: A demountable panel system has panel members formed with peripheral edge surround sections of extruded rigid material. The surround sections included channels to receive panel material and leg portions with opposed grooves to releasably engage with a clip rail section. The clip rail section enables various panel structures, such as corner posts, to be interconnected with the panel members. The clip rail section has a tongue extending generally in the direction perpendicular to the panel member and so shaped as to be resiliently engageable with a tongue of an adjacent clip rail section whereby panel members or other panel structures can be clipped together along their length by relative transverse movement. The clip rail section includes opposed, outwardly extending flanges and perpendicular leg parts which cooperate with the channels of the surround section to form a recess having a narrow mouth.

Abstract: A corner piece interfits with an approximately 90.degree. corner defined by two upright walls, a thin protective strip attached to the two walls and elongated vertically, the strip having a rounded nose extending outwardly from planes defined by the walls and around the corner, and two like base boards that respectively extend adjacent the lowermost side of the walls and toward the corner.

Abstract: A combination void drain vent chair for use in the construction of voided concrete shapes, including an elongated tube connecting the interior of the void form to the exterior of the concrete shape, and including a flat flexible member surrounding the upper end of the tube which may be attached to the under surface of the void form so that the void drain vent chair may be conveniently used with void forms that are circular in cross section, as well as those that are rectangular in cross section.

Abstract: A mortar collecting device adapted to be located adjacent a wall surface of a masonry or brick wall under construction and collect excess mortar extruded from between rows of masonry during construction of the wall. Such mortar collecting devices each posses an upper surface means adapted to collect mortar but repel moisture in the form of water droplets which falls on such surface means. Repulsion of water is accomplished by providing an upper surface means having an inclined portion sufficiently inclined to the horizontal when such device is in mortar collecting position so as to cause moisture to slide off, but being insufficiently inclined so as to cause mortar to slide off. Alternatively the mortar collecting device may have a plurality of passageway means extending vertically therethrough of dimensions sufficient to allow moisture to pass therethrough, but of dimensions insufficient to allow mortar to pass therethrough.

Abstract: A translucent end block which may be secured to an exposed side or top abutting surface of a translucent block includes a pair of parallel upper and lower surfaces spaced from each other and having generally the same preselected shape. A pair of side walls extend between the upper and lower surfaces and are joined to the upper and lower surfaces. The pair of side walls each have first wall portions positioned in parallel, spaced relation with each other and nonparallel second wall portions. A first end wall is positioned between the pair of side walls first wall portions and is joined to the upper and lower surfaces and to the pair of side walls first wall portions. The end block is secured to an exposed side or top abutting surface of a translucent block which forms a part of a translucent block wall structure to provide a translucent block wall structure having usable top or side surfaces.

Abstract: Two elongated parallel rails have facing surfaces each with a longitudinally extending central groove opening toward the groove of the other rail. A rigid web sheet has its opposite longitudinal margins fitted in the grooves so as to form, in combination with the rails, a composite I-beam construction. Block units of a thickness approximately the same as the thickness of each rail are secured between the rails at opposite ends of the web sheet. Blocks of insulating foam fill the cavities at opposite sides of the web sheet.

Abstract: A nonpenetrating roof membrane fastening system for covering and securing a waterproof flexible membrane on a roof deck. A plurality of flexible spot bonding pads are secured at spaced intervals to the roof by a smaller, more rigid, fastener plate or washer and a linear fastener which extends through the aligned centers of the pads and plates. An outer exposed peripheral area of each of the bonding pads has an adhesive applied thereto and bonds the pads to the underside surface of the flexible membrane which is laid over the secured pads avoiding any penetration of the membrane by the linear fastener. The membrane is a nonreinforced EPDM and the bonding pads are formed of a fabric reinforced EPDM.

Abstract: A refractory support device comprising two elongated members pivotally connected at one end and adapted to be attached to shaped connecting surfaces, and an insulated structure comprising connecting surfaces having the support devices attached thereto and having refractory material covering the surfaces and surrounding the support devices.

Abstract: A grid tee or member for suspended ceilings has a reinforced bead, a central web and a pair of flangs formed from a single sheet of metal. The reinforced bead has a continuous outer upper surface and can either be a hollow reinforced bead with a rectangular or triangular configuration or a solid bead having a thickness of at least four layers. The hollow bead structure can have a single layer for the top continuous surface with at least two side portions having at least three layer thicknesses, or can be a single top layer, which has more than three layers.

Abstract: The present invention relates to a method for assembling a dummy aeroplane in which a latticework carcass is constructed from the components of an assembly kit and covered with a weatherproof drape. The inventive method is characterized by the sequence of steps in which the upper parts of the carcass, or shell, are assembled at a first level, whereafter the assembled upper part is raised to a second level with the aid of lifting devices and held at this level by the lifting devices while lower parts of the carcass are assembled. These steps are then repeated until the undercarriage of the dummy aeroplane has been fitted, whereafter the lifting devices are withdrawn so that the dummy rests on its wheels, all of this assembly work being carried out at a level suitable for the assembly personnel concerned.The invention also relates to an assembly kit for carrying out the method.

Abstract: The invention relates to a machine comprising an apparatus for assembling a container for an optically readable disc-shaped information carrier. The container comprises a bottom section, a cover section, a bottom insertion-card, a cover leaflet, and a tray. The disc-shaped information carrier is detachably retained in the tray. During assembly the bottom section serves as an assembly base. In order to load the disc-shaped information carrier into a tray without the remainder of the container, the machine is provided with an auxiliary bottom section which is secured to the apparatus and in principle has the same dimensions as a container bottom section, so that a tray can be placed in the auxiliary bottom section and after it has been loaded with a disc-shaped information tray, can be removed as a unit from the auxiliary bottom section.

Abstract: A container lid positioned atop a filled container is sealed to the top of the container by a vertically reciprocable sealing device engageable with the container lid, the container and lid being positioned on yieldable structure so as to avoid damage to the sealing apparatus or to the container being sealed which might occur due to the thrust of the sealing device.

Abstract: A device for wrapping a plurality of objects together into a tape-wrapped bundle includes a frame having an open-mouth recess, a quantity of one-sided cohesive tape, a pair of advance rollers mounted on the frame and selectively operable to advance a length of the tape, with the sticky substance thereon facing away from the recess, across the mouth of the recess such that, when objects are thereafter inserted into the recess, the advanced tape length will be gathered in the recess, a pair of relatively movable jaws, mounted on the frame and operatively arranged to selectively press together portions of the leading and trailing tape parts proximate the mouth of the recess, a wiping blade mounted on the pressing member for horizontal movement therewith but mounted for selective vertical movement relative thereto for progressively increasing the length of such pressed-together portions in a direction toward the objects, and a guillotine cutting blade assembly for cutting the extreme ends of the leading and trail

Abstract: This invention deals with a method for stabilizing stacked loads against shifting during transport and means for carrying out such method comprising a flexible wrapping member and rubber like fastening means for said wrapping member.

Abstract: A system for packaging a number of substantially cylindrical packages of generally elastic insulation material. The packages have open ends but are surrounded by a substantially airtight foil layer. The packages are placed close to one another and their ends are temporarily, essentially airtightly closed. The packages are pressed closely against each other by holders. The packages are then connected to a vacuum through a perforated plate to reduce their volume. The reduced volume packages are then wrapped within a tight foil enclosure after the holders are removed but before the vacuum is disconnected. The system not only reduces the volume of the individual packages but also eliminates interspaces therebetween.

Abstract: Filamentary or thread textile material is wound onto lap creels (2), which are capable of being pushed, in a telescoping manner, one into the other to form stacks (3). Each stack (3) is covered with a film tube or hose (6) which is shrunk onto the stack for holding together the individually wound lap creels (2). Immediately prior to a treatment, several stacks (3) are formed into a column, which is compacted by an axially effective compression. The slackened tension of the film tube (6) is then re-established by renewed shrinkage thereof prior to or at the start of the treatment of the textile material. Film material capable of repeated shrinking, especially heat shrinking is used for this purpose.

Abstract: A method for making a ground coffee discoid pad for brewing an express coffee wherein a pressure means applies a pressure to a coffee pad placed in a pocket made of water and air permeable material and simultaneously rotates in contact with the coffee surface about an axis perpendicular to said surface and the applied pressure ranges from 22 to 65 atmospheres.

Abstract: Apparatus for separating the front and back walls of an envelope. The apparatus includes a supporting frame; a device mounted on the supporting frame for holding an envelope having a back wall, a front wall, and a flap extending from the back wall but not contiguous with the back wall; and an orbital claw assembly mounted in the supporting frame. The claw assembly includes a claw movable in an orbit which positions the tip of the claw at an appropriate time between the front and back walls of the envelope and thereafter further movement of the claw in the orbit causes the claw to separate the front wall from the back wall of the envelope.

Abstract: Apparatus for producing packs from at least one foldable blank, especially soft-cup cigarette packs, in which, in a transfer station, individual blanks can be fed by means of a feed unit with a blank-holder to a receptacle (hollow mandrel) of a folding turret and can be transported by this in order to make folds, each blank (21, 22) for taking up by a receptacle (hollow mandrel 23) of the folding turret (20) is held so as to project freely on one side by the blank-holder (holding disc 68) fixed in place and arranged outside the path of movement of the receptacles (23).

Abstract: The fastener is located in the loop of strap material which encircles the animal's poll, and includes a pair of relatively reciprocable male/female fastener elements which are operable to close and open the loop when they engage and disengage with and from one another. In the engaged condition thereof, the fastener elements are interlocked against reciprocation by a latch which is manually releaseable; and each time the latch is released, there is a cam action generated by resiliency in the latch which has the effect of not only driving the fastener elements apart, but also ejecting or jettisoning one from the other into the open, ambient atmosphere about the animal.

Abstract: A method of and rake for removal of aquatic plants; the method has the steps of pulling a rake over an underwater bottom, engaging aquatic plants with flexible, resilient teeth and a flexible, resilient filament strung between the teeth, pulling the plant out of the bottom with the filament and distributing stress among the teeth through the filament when the rake snags an immovable obstruction; the rake has a cross bar, a plurality of elongate flexible and resilient teeth attached to the bar, and a flexible and resilient high tensile strength filament strung to and between all of the teeth. The filament pulls out plants and distributes stress among the teeth. An improved rake tooth has structure for holding a transverse filament adjacent a tip of the tooth.

Abstract: The invention is directed to a lightweight debris collector for rotary mowers and the like. The debris collector includes a frame having two spaced apart arms which are adapted to suspend and transport a standard trash can. Means is also provided to transport debris from the mower to the trash can which together with the frame form a debris collector assembly.

Abstract: A splicing device is proposed, for splicing threads or textile yarns with compressed air containing an added liquid, in which, in order to get rid of the need for a precise and careful metering of the liquid to be added to the compressed air, and in order to protect the mechanical parts of the device from undesired noxious effects due to their contact with the liquid entrained by the compressed air, the mixing chamber inside which the splicing of the threads or yarns takes place is positioned inside a tank which can be tightly sealed before and during the splicing operation, from which tank a discharge duct for the liquid-admixed compressed air starts.

Abstract: The invention solves the problem of ejecting impurities out of a cleaning aperture in the fiber separating device of an open-end rotor spinning unit, particularly when there are various contaminations of fibrous slivers and of different kinds of textile fibers being processed. For this purpose an air flow regulator is provided in the separating device in an air supply duct communicating with the cleaning aperture. According to the invention, the air flow regulator is provided with an air directing wall near the outlet of the air supply duct and thus directs air flow into the cleaning aperture toward the fiber opening cylinder.

Abstract: The belt type false twister, in which a pair of pulleys with two travelling endless belts entrained thereabout are mounted fixedly, and in a position off the fiber nipping point of one endless belt there is disposed a roller for urging the said one endless belt toward the other endless belt, a linear travelling portion of the one endless belt being bent and allowed to come close to the other endless belt by the said roller to nip fibers between the closely adjacent belt portions.

Abstract: A cable/hose handling chain having a plurality of hingedly connected chain links, each chain link including a transmission link assembly hingedly connected to adjacent transmission link assemblies to form said chain. Each chain link includes a cable/hose attachment for attaching cables/hoses thereto, the transmission link assembly for each alternate chain link having a pair of side by side plate members, and for each chain link located between the alternative chain links having at least one plate member. The plate members for said alternate chain links are arranged so as to be spaced apart to define a gap to accommodate the plate member(s) of the chain links located between said alternate chain links.

Abstract: A unique anti-icing management system for a gas turbine engine is disclosed according to which, at all times, only the required amount of heat is applied to inlet surfaces of the engine to prevent the formation of ice. Heated air is bled from the compressor discharge for this purpose and the amount of flow of the heated air is adjusted by a uniquely operated solenoid valve under the direction of an electronic control responsive to any one of a variety of meaningful conditions including, but not necessarily limited to, temperature of an anti-iced surface at the inlet to the engine, rotational speed of the engine, and the presence of an ice producing meteorological condition. The solenoid valve assumes only two operable positions, namely, a fully open position and a fully closed position, and is operated in a pulsed fashion to control flow on a time basis, rather than on a percentage-of-opening basis which is the conventional mode of operation.

Abstract: The economics of waste disposal are markedly improved by combining a waste-burning plant with a gas turbine-generator set, with exhaust gas from the gas turbine fed as combustion air into a waste-burning incinerator. A boiler associated with the waste-burning incinerator supplies steam to operate a steam turbine and a second electric generator.

Abstract: A power plant with combustion of a fuel at a pressure exceeding the atmospheric pressure in a fluidized bed (14) in a bed vessel (12) which is enclosed within a pressure vessel (11). The space (37) between the pressure vessel (11) and the bed vessel (12) is supplied with combustion air from a compressor (22). Ash and consumed bed material are taken out from the bed vessel (12) via an ash chamber (34) and are cooled therein by air from the space (37). The air from the space (37) is cooled in a cooler (44) before being supplied to the ash chamber (34).

Abstract: A cyclone used for high temperature cleaning of combustion gases from a PFBC power plant is formed with an elongated leg surrounded by a jacket forming a cooling channel around the leg. Compressed combustion air cools the cyclone leg to a temperature at which the material from which it is made has a satisfactory strength and resistance to wear. Air for additional cooling of ash separated in the cyclone can be supplied at a downstream orifice of the cyclone leg.

Abstract: Composite polar bosses applied in rocket motor cases have very desirable characteristics. The lead time for a boss can be reduced from 6-12 months to 4-6 months. Weight savings for the boss/nozzle assembly are about 20-40 percent. A composite polar boss which attaches nozzle assemblies to solid fueled rocket motor cases is disclosed. This polar boss is a carbonized fabrication which sits within a circumferential indentation within the motor case, and has a threaded inner circumference which permits the nozzle assembly to be attached thereto. The materials of the boss are selected to permit a service temperature of up to 3,200 degrees F.

Abstract: This invention relates to a fuel injection system for a ramjet engine of the type comprising a swirling combustion chamber, wherein said system comprises:at least one first injector arranged in the inner part of the corresponding air duct to send, in common with said first injectors of the other individual injection devices, fuel into a common zone of said combustion chamber adjacent said closed end and peripherally defined by said air ducts; as well asat least one second injector arranged in the outer part of the corresponding air duct, to send fuel into a specific zone of said combustion chamber located near the wall thereof, downstream of the opening of the corresponding air duct. The invention is more particularly applicable to the propulsion of missiles.

Abstract: An arrangement for removing soot particles from the exhaust stream of a diesel internal combustion engine in such a manner that the soot particles are caught between conductor elements disposed at different potential, produce a short circuit and thereby burn off. In order to be able to realize a purification of the exhaust gas stream without a significant increase of the exhaust gas counterpressure, a centrifugal separator is connected to the exhaust gas line, which passes over into a soot particle collecting chamber constructed axially symmetrical to the longitudinal axis thereof; a predetermined number of electrodes is arranged in turn in the soot particle collecting chamber at a slight distance to the casing interior surface whereby the electrodes among one another or the electrodes and the soot particle collecting chamber itself are at a different potential.

Abstract: An energy generator includes a pendulum suspended at one end and in operative relationship with an external power device which imparts oscillation movement to the pendulum. The pendulum includes a weight disposed at one end being in operative cooperation with a hydraulic fluid cylinder to increase the hydraulic pressure of the fluid within the cylinder. A power output device receives the high pressure hydraulic fluid and generates output power. A second embodiment is directed to a power booster wherein energy is transferred between a pendulum and a power generating device.

Abstract: A tandem master cylinder has a housing containing two pressure chambers for connection to separate braking circuits. A pressure piston component forms pistons movable in the pressure chambers to supply fluid under pressure to the circuits. A balance piston has opposed surfaces subject to the pressures respectively in the chambers and is movable, in response to a pressure difference between the chambers, to reduce the pressure difference. Control valves operate in response to brake actuating movement of the piston component normally to isolate the chambers from a fluid supply reservoir, and a disabling device disables the respective control valves individually to prevent pressurization of one of the chambers when actuation of one brake only is required.

Abstract: A hydraulic actuator assembly of the type including a hydraulic system comprising a master cylinder, a slave cylinder, and a conduit interconnecting the master and slave cylinder. One-way valve means are provided, either mounted on the master cylinder or interposed in the conduit interconnecting the master and slave cylinders, and these valve means function to block communication between the system and the associated reservoir when the system if pressurized but allow flow of replenishing fluid from the reservoir into the system when the system is depressurized to compensate for system losses and wear in the associated vehicular mechanism. The valve further includes a manual override member in the form of a plunger which is manually depressed and which moves a valving member of the valve to a position in which it establishes communication between the reservoir port and the system port so that fluid may be moved from the system and into the reservoir even when the system is pressurized.

Abstract: This invention relates to a method and an arrangement for controlling the working cycle of an internal combustion engine (1) which is supercharged by at least one exhaust-driven turbo-compressor (4,5). Each cylinder of the engine has an inlet valve (2) to which air is supplied from the turbo-compressors (4,5) through an induction or inlet line (12), and an outlet valve (3) from which the exhaust gases are passed through an outlet line (13) to the turbo-compressors (4,5). Each cylinder is also provided with a separate pressure control valve (19) which is connected to the induction system by a pressure control line (20) and which is intended to open when the piston, during the compression stroke, is located in a distance from the bottom-dead-center position (C) of the piston, and is intended to close when the piston, during the compression stroke, is located at a second predetermined position (D) in the cylinder at a greater distance from the bottom-dead-center position (C) of the piston.

Abstract: The prime mover is a high power output, environmentally clean, efficient, multi-fueled, external combustion, closed regenerative cycle piston engine with practically no dirt ingestion and minimal acoustic, thermal and smoke signatures. The engine consists of five major units: the heat exchanger, heater, accumulator, compressor and power units. The engine operates on one power stroke per revolution with an unidirectional mass flow of the working fluid decreasing engine design complexity. The engine's design concept incorporates a flexibility in the choice or design of the major units, and, therefore, offers an efficient and practical maintenance and repair program. The unique heater units have the capability of developing different types of thermodynamic cycles while using a variety of working fluids. The engine can be fabricated with off-the-shelf materials, ceramics or other adiabatic types of high temperature materials.

Abstract: An air dispensing arrangement within a gas turbine engine in which the energy of the pressurized air exiting the compressor is nonuniform. The higher energy pressurized air is dispensed by at least one conduit to the combustor and to other components, the higher energy air providing an improved cooling capability over the lower energy air. Provision is also made to employ the lower energy air for uses such as the dilution of the combustor gases.

Abstract: An integral Stirling cryogenic cooler including a compressor, an expander-displacer portion defining an expansion volume, a cold tip adjacent the expansion volume, a cold tip adjacent the expansion volume, a regenerator heat exchanger and a displacer, a crank shaft arranged to receive input rotary power and to drive the compressor and the displacer, and apparatus for low vibration mounting of the expander-displacer portion with respect to the compressor.

Abstract: A pump and method for delivering a cooling fluid from a reservoir of fluid to a destination is disclosed. The pump comprises a vessel for holding fluid to be delivered, the vessel being submersible within the reservoir. The vessel has a fluid inlet near its bottom for receiving fluid from the reservoir and a gas discharge outlet near its top. The pump has an inlet valve for preventing fluid from flowing out of the vessel through the fluid inlet, and a gas discharge valve for opening and closing the gas discharge outlet. The discharge valve is responsive to the level of fluid within the vessel. The pump also comprises a conduit for conducting fluid from inside the vessel to its destination, and heating means for evaporating the fluid within the vessel. This heating creates a pressure head within the vessel when the gas discharge outlet is closed thereby causing the fluid to flow through the conduit.

Abstract: The present invention comprises a method and apparatus to be used in the cryogenic fast freezing of organic comprised articles such a biologicals and foodstuffs. The method enables control of the time-temperature profile of an article as it progresses through the freezing process, and thus provides the highest quality frozen article. The method requires at least two applications of liquid cryogen to the surface of the article during the freezing process, wherein the applications of liquid cryogen are spaced in time in a manner which essentially prevents thermal cracking and embrittlement of portions of the article, while simultaneously ensuring that a frozen crust which operates as a barrier to water conduction or transmission out of the article remains on the articles throughout the freezing process. In addition, the method and apparatus provide an improved efficiency of operation in terms of utilization of the cryogenic medium within the freezing process.

Abstract: An ice-maker for use in a freezer compartment and a process of making clear ice cubes are disclosed. The ice-maker includes an ice-forming tray supported on a carrier body. The carrier body has a housing with an air-circulating fan directing a flow of air toward the tray during the ice-making process. The apparatus also includes means for moving the ice-forming tray during the ice-making process, to allow gases to escape so that substantially clear ice cubes are formed. In the process of the invention, the ice-maker is placed in the freezer compartment of a refrigerator. An ice-forming tray is placed on the carrier body. Cold air from the freezer compartment is blown across the tray during the ice-making process. The ice-forming tray is moved during the ice-making process to allow entrapped gases in the water to escape. With or without the air-circulating fan, the apparatus and process may cause the carrier body to move in at least two different axis.

Abstract: A control system for controlling a heating system having a heat pump and a source of supplemental heat. The indoor heat exchanger temperature is monitored, such as by a thermocouple or the like, and when the temperature falls below a given threshold level, defrost cycling of the heat pump is initiated. The control system monitors the defrost cycling of the heat pump, and when the heat pump is in its defrost cycle for more than a predetermined portion of a heating cycle, the heat pump will be shut down until the outdoor ambient temperature has risen by a predetermined amount or a given interval of time has elapsed.

Abstract: A refrigerator comprises a damper controlling inflow of cold air into a compartment thereof, a temperature sensor for detecting the temperature within the compartment, a damper drive device for driving the damper in accordance with the detected temperature in the compartment, a damper position detection device for detecting the open state and the closed state of the damper, a heater for defrosting the damper, an abnormality detection device, and a malfunction detection device. The abnormality detection device monitors the time that the damper drive device drives the damper, and when the driven time reaches a predetermined value, energizes the heater to defrost the damper. The malfunction detection device monitors the time that the heater is energized, and when the energization time of the heater reaches a predetermined value, deenergizes the heater.

Abstract: A refrigeration system comprises a plurality of assembled modular units each having a refrigeration circuit separate from the circuit of the other units. Each unit includes a housing which defines at least one compartment containing the evaporator of the refrigeration circuit. The condenser is either located in a second compartment in the housing or in a separate chamber associated therewith. A first heat exchange fluid is conveyed to and from the compartment by header pipes, the header pipes of adjacent units being interconnected to form common manifolds for the system. A second heat exchange fluid is circulated passed the condensers of each unit. Electrical controls are provided on each unit to control and monitor operation of the respective refrigeration circuit the controls being interconnected to enable overall control of each unit of the system in accordance with load demand.