Abstract: A two-shaft gas turbine is provided that can raise an inlet temperature of a high-pressure turbine and the air quantity of a compressor to respective rated values at any atmospheric temperature without using a variable stator vane in the initial stage of a low-pressure turbine. The two-shaft gas turbine includes a power generator 21 having a compressor 11, a combustor 12 and a high-pressure turbine 13; a low-pressure turbine 14 driven by exhaust gas from the high-pressure turbine 13; a generator motor 23 connected to the gas generator 21; and a control unit 24. When either one of a value of the inlet temperature of the high-pressure turbine 13 and a value of the air quantity of the compressor 11 reaches a rated value before the other value reaches a rated value, the control unit 24 drives the generator motor 23 to bring the other value close to the rated value.

Abstract: A gas turbine engine system includes a compressor, a combustor, and a turbine. The combustor is coupled to the compressor and disposed downstream of the compressor. The combustor includes a secondary combustor section coupled to a primary combustor section and disposed downstream of the primary combustor section. The combustor also includes a transition nozzle coupled to the secondary combustor section and disposed downstream of the secondary combustor section. The combustor further includes an injector coupled to the secondary combustor section, for injecting an air-fuel mixture to the secondary combustor section. The turbine is coupled to the combustor and disposed downstream of the transition nozzle; wherein the transition nozzle is oriented substantially tangential to the turbine.

Abstract: A turbomachine combustor is provided. The turbomachine includes a combustion chamber and multiple micro-mixer nozzles arranged concentrically within a radial combustion liner and configured to receive fuel from one or more fuel supply pipes affixed to each of the plurality of micro-mixer nozzles at an upstream face. The multiple micro-mixer nozzle are also configured to receive air from a flow sleeve surrounding the radial combustion liner. Each of the micro-mixer nozzles include an annular strip having a multiple tubes or passages extending axially from the upstream face to a downstream face of each of the micro-mixer nozzles.

Abstract: A flexible bellows assembly is disclosed for sealing an engine igniter for use with an engine. The bellows assembly includes a mounting arrangement that is operable to be secured to a combustor diffuser instead of the combustor liner. The bellows has a component that impinges upon a surface of the combustor liner so as to form a sealed chamber between a metal diffuser and a ceramic combustion liner. An igniter passes through the sealed chamber and provides ignition to the combustor.

Abstract: A pre-cooler system is provided and includes first and second pre-coolers, each of which is sized to handle demands of one downstream flow system, a piping system by which the first and second pre-coolers are receptive of compressed air from first and second turbine engines, respectively, and by which the first and second pre-coolers are both coupled to first and second downstream flow systems that are each configured to apply the demands of one downstream flow system to the first and second pre-coolers, a first pair of dual pressure regulator shut off valves (PRSOVs) disposed in parallel with each other and between the first turbine engine and the first downstream flow system, the first pair of dual PRSOVs being arranged in series with the first pre-cooler and a second pair of dual PRSOVs disposed in parallel with each other and between the second turbine engine and the second downstream flow system, the second pair of dual PRSOVs being arranged in series with the second pre-cooler.

Abstract: An electronic coldpack and method of use are provided. The coldpack includes one or more thermoelectric components (e.g., thermocouples) that absorb heat at one surface and dissipate heat at another surface when energized (i.e., when electrical power is applied to the component). Multiple thermoelectric components may be aligned in a grid or other pattern, and sensors (e.g., temperature, optical, infrared) may be included in the coldpack and placed in proximity to some or all of the thermoelectric components. The sensors may monitor temperature output of the coldpack, monitor a temperature of an object to which the coldpack is applied (e.g., a body part), detect a skin condition (e.g., by skin color or temperature), or operate in some other way. In one mode of operation, the coldpack provides long-term uninterrupted cooling of the object. In another mode of operation, the coldpack is used to perform cryosurgery on a skin condition.

Abstract: A cooling and heating cup holder includes: a pair of holder bodies; a pair of thermoelectric elements having first and second surfaces for heat absorption and heat generation, the first surfaces being installed on the holder bodies; a pair of heat exchange pins provided so as to exchange heat with the second surfaces of the respective thermoelectric elements; a blower disposed at one side of the heat exchange pins and heat-radiating the heat exchange pins; and an extension heat pipe thermally connecting the second surfaces of the respective thermoelectric elements to each other or thermally connecting the respective heat exchange pins to each other.

Abstract: A storage assembly for a vehicle includes a housing having an outlet formed at a rear end thereof, a cooling and heating cup holder installed in the housing and having a thermoelectric element attached to a side end surface thereof, a convenience device disposed to be adjacent to a side of the thermoelectric element in the housing and including a storage tray or an electrical control switch, a heat exchange pin and a blower disposed at the outlet side of the rear end of the housing, and a heat pipe having one end connected to the thermoelectric element and the other end extended to turn aside or traverse the convenience device and connected to the heat exchange pin.

Abstract: Vehicle air comfort systems and methods. The systems and methods may comprise: (1) a plurality of flow tunnels for passage of a heat-transfer fluid; (2) a thermoelectric cooler in thermal communication with the flow tunnels for thermally conditioning the heat-transfer fluid in the flow tunnels; (3) an air inlet for receiving unconditioned air; (4) a thermal exchange assembly for facilitating thermal exchange between the thermally conditioned heat-transfer fluid and the unconditioned air to result in conditioning of the air; and (5) an air outlet for outputting the conditioned air into the vehicle.

Abstract: Regulated cooling devices are described herein that are sized, shaped and calibrated for use with a substantially thermally sealed storage container. In some embodiments, the regulated cooling devices include a cooling region, an adiabatic region, a lid region, and an electronics unit attached to the lid region.

Abstract: A liquefied gas treatment system according to an embodiment of the present invention includes a boil-off gas heat exchanger exchanging heat between boil-off gas, pressurized by a boil-off gas compressor and recovered along a boil-off gas supply line branching off upstream of a liquefied gas-consuming unit, and the boil-off gas supplied from a liquefied gas storage tank, wherein the boil-off gas heat exchanger cools the boil-off gas, recovered along the boil-off gas supply line, with the boil-off gas, supplied from the liquefied gas storage tank, or flash gas, supplied through a vapor recovery line.

Abstract: A liquefied gas treatment system according to an embodiment of the present invention includes a boil-off gas heat exchanger exchanging heat between boil-off gas, pressurized by a boil-off gas compressor and recovered along a boil-off gas supply line branching off upstream of a liquefied gas-consuming unit, and the boil-off gas, supplied from a liquefied gas storage tank, wherein the boil-off gas heat exchanger exchanges heat between the boil-off gas, pressurized by the boil-off gas compressor and recovered along the boil-off gas supply line, and flash gas, supplied through a vapor recovery line.

Abstract: Systems and methods for controlling the temperature and pressure of a cryogenic liquid methane storage unit are provided. The disclosed systems and methods generate methane gas from a reservoir of liquid methane stored within the methane storage unit, vent the methane gas through one or more outlet valves connected to the methane storage unit, and generate electric power using the vented methane gas. The generated electric power can then be used to initiating a cooling cycle, which reduces the temperature of said reservoir of liquid methane and reduces the pressure in said methane storage unit. Micro anaerobic digesters and methane storage units may be configured in a networked environment with a central controller that monitors remote units.

Abstract: A method for collecting condensate inside an apparatus, including: providing a condensate collection system with bottom and top collection tanks; a condensate discharge pump to displace liquid from the bottom collection tank to the top collection tank; and an overflow system which displaces the liquid contained in the top collection tank that exceeds an overflow level into the bottom collection tank; collecting a condensed liquid in the bottom collection tank; actuating the condensate discharge pump to displace the condensed liquid from the bottom collection tank into the top collection tank; detecting a low load condition of the condensate discharge pump, actuation of the condensate discharge pump being interrupted upon detection of the low load condition; the actuating time (T2) of the condensate discharge pump, with signalling of a full condition of the condensate collection system when this actuating time (T2) is equal or larger than a maximum time (T2lim).

Abstract: Disclosed is a process of determining, at a point during shipment, whether the solid phase refrigerant in a shipment is sufficient to preserve the shipment cargo, which is blood or other biological products, for the remaining shipment period, by: monitoring the temperatures encountered to said point and estimating the temperatures likely to be encountered during the remaining shipment period; determining the likelihood that the remaining refrigerant can maintain the shipment cargo within a specified temperature range during the remaining shipment period; and if the risk that the remaining refrigerant cannot maintain the shipment cargo within said range during the remaining shipment period is above a cut-off level, then taking action to preserve the value of the cargo.

Abstract: Adaptive defrost systems, computer program products, and methods are provided. A defrost cycle is initiated, and an actual time of defrost (TOD) is determined based on the defrost cycle. Additionally, a first time between defrost (TBD) between defrost cycles is determined. A variable increment time between defrost (TBDInc) is calculated based at least partially on the ideal time of defrost and the actual time of defrost. The TBD is incremented by TBDInc, resulting in a new TBD, which may be used to initiate the next defrost cycle.

Abstract: A method for cooling a fluid or a body by means of at least a first vapour compression circuit containing a first heat transfer fluid and at least a second vapour compression circuit containing a second heat transfer fluid, the method including: measuring the temperature of the external surroundings; and setting the temperature of the second heat-transfer fluid to evaporation, according to the temperature of the external surroundings. Also, an installation suited to implementing this method.

Abstract: The Fridge/Freezer Miser is a new device that allows the refrigerator or freezer that will run about half the time of normal and maintain food freshness while saving from 50% to almost 70% on the monthly electric bill.

Abstract: An air-conditioning apparatus includes a compressor, a four-way valve, expansion means, and an indoor heat exchanger, and further includes a check valve disposed between a discharge side of the compressor and the four-way valve, a first solenoid valve disposed between the expansion means and the indoor heat exchanger, and a controller. Opening and closing of the first solenoid valve are controllable. The controller switches the four-way valve and switches the first solenoid valve between open and closed states. When a heating operation is stopped, the controller switches the four-way valve from connection for the heating operation to connection for a cooling operation, closes the first solenoid valve, and then stops the compressor.

Abstract: One aspect presents a heat pump system controller that includes a control board a microprocessor located on and electrically coupled to the control board, and a memory coupled to the microprocessor and located on and electrically coupled to the control board. The memory has a program stored thereon that is configured to relate a temperature received from a liquid refrigeration line temperature sensor with a pressure of a compressor of a heat pump system and change an airflow rate of an indoor blower/heat exchange (ID) system of a heat pump (HP) system to avoid a shutdown of the HP system that occurs when the compressor reaches a trip pressure of the compressor.

Abstract: One aspect presents an enhanced comfort controller that comprises a control board, a microprocessor located on and electrically coupled to the control board, and a memory coupled to the microprocessor and located on and electrically coupled to the control board. The enhanced comfort controller has an enhanced comfort program stored thereon that is configured to cause an indoor blower/heat exchange (ID) system of a heat pump to output an enhanced airflow rate of the ID system in response to an outdoor ambient temperature data.

Abstract: A heat pump device includes an air conditioning control device configured to switch the heat pump device among a plurality of operation modes including an air-heating operation mode in which an indoor heat exchanger serves as a radiator and an outdoor heat exchanger serves as a heat absorber, and an air-cooling operation mode in which the indoor heat exchanger serves as a heat absorber and the outdoor heat exchanger serves as a radiator. The air conditioning control device switch a refrigerant pipe such that refrigerant is, in the air-cooling operation mode, supplied to part of the outdoor heat exchanger serving as a refrigerant inlet in the air-heating operation mode.

Abstract: A rooftop air conditioning assembly (60) for a building having a rooftop and an internal volume. The assembly includes a chassis (20), a plurality of outdoor sections (58), one indoor section (56) and refrigerant tubes (40). The chassis (20) is adapted for mounting adjacent one or more rooftop openings. The plurality of outdoor sections (58) are mounted on the chassis (20), with each of the outdoor sections (58) having at least one air inlet in fluid communication with atmosphere and at least one air outlet in fluid communication with atmosphere. The one indoor section (56) is mounted on the chassis (20), and has an air outlet in fluid communication with the internal volume via the one or more rooftop openings and an air inlet in fluid communication with the internal volume via the one or more rooftop openings. The refrigerant tubes (40) connect the outdoor sections (58) to the indoor section (56).

Abstract: A C02 refrigeration system has an LT system with LT compressors and LT evaporators, and an MT system with MT compressors and MT evaporators, operating in a refrigeration mode and a defrost mode using C02 hot gas discharge from the MT and/or the LT compressors to defrost the LT evaporators. A C02 refrigerant circuit directs C02 refrigerant through the system and has an LT compressor discharge line with a hot gas discharge valve, a C02 hot gas defrost supply header directing C02 hot gas discharge from the LT and/or the MT compressors to the LT evaporators, a flash tank supplying C02 refrigerant to the MT and LT evaporators during the refrigeration mode, and receiving the C02 hot gas discharge from the LT evaporators during the defrost mode, and a control system directing the C02 hot gas discharge through the LT evaporators and to the flash tank during the defrost mode.

Abstract: An air conditioning unit, which can be located in an enclosed environment comprising at least one duct through which a heat transfer fluid flows. The duct is affected sequentially by at least one compressor, for raising the temperature and pressure of the heat transfer fluid in the gaseous state, at least one condenser, for carrying off heat from the heat transfer fluid and its passage from the gaseous state to the liquid state, at least one lamination element, for lowering the pressure of the heat transfer fluid in the liquid state, and at least one evaporator, for absorbing heat by means of the passage of the heat transfer fluid from the liquid state to the gaseous state. The air conditioning unit comprises elements of natural, not forced, collection and conveyance, toward the condenser, of condensed water which may have formed along the outer surfaces of the evaporator.

Abstract: A heat exchange matrix includes a plurality of generally planar foils including a water retaining material, arranged in spaced, substantially parallel relationship. Each foil defines a main plane having a flow direction and a transverse direction and the foils include strips that extend a strip length in the transverse direction and are separated from each neighbouring strip in the flow direction and each strip is offset from the main plane by a distance that is different from that of its neighbour. The matrix may be provided in a flow channel for air to be humidified and cooled.

Abstract: A vehicle transportable ice plant includes a transportable trailer including an enclosure, and an evaporator positioned within the enclosure for supplying supercooled refrigerant to a heat exchanger, a compressor downstream from the evaporator for compressing the refrigerant, a discharge line downstream from the compressor for discharging compressed refrigerant to a condenser, a condenser fan for removing heat from the condenser, and a thermostatic expansion valve for delivering supercooled refrigerant to the evaporator in an endless cycle. An ice production brings water into contact with the evaporator heat exchanger to produce ice, and an ice cube maker is provided for producing ice cubes from the ice.

Abstract: A refrigerator having an ice and water dispenser has a seal to sealingly engage the ice compartment when the refrigerator door is closed. The seal is flexible to accommodate manufacturing tolerance. The seal may be impregnated with a friction reducing agent to increase life of the seal.

Abstract: An assembly for an environmental control system includes a primary air-to-air heat exchanger and an aft manifold. The aft manifold is mounted to the primary heat exchanger and is adapted with a first duct to receive air flow from the primary heat exchanger. The aft manifold has a bypass duct and the bypass duct is configured to selectively allow air flow to bypass the primary heat exchanger.

Abstract: An apparatus includes a container having an interior configured to contain a beverage, and a base configured to support the container on a support surface. A first coupler is mounted to the container. A pod having a second coupler is configured to couple with the first coupler while the pod is located in the interior of the container. The pod physically contacts the beverage and can be configured to rotate within the container.

Abstract: The Smarter Cooler with its Insert Isolator design will provide cooling from four different large areas surrounding the food on all sides, as well as providing a cooler and better insulated bottom area of the cooler, and once the “Ice” starts to melt and be stored in the “Ice Water Reservoir” below the food and beverage storage area, an additional surface, five areas, not only has insulation qualities, but also cooling properties, to help keep food and beverages colder longer. The result will be a cooler that keeps the ice water isolated from the food and beverages in the cooler to prevent spoilage of the food, that inevitably drops into the melted ice water in any other cooler on the market.

Abstract: In one embodiment, the present invention relates to the use of ionic liquids and gas refrigerants in a refrigerant composition in a temperature adjustment system, such as a refrigeration system.

Abstract: An outdoor heat exchanger has a total length of refrigerant flow passage in which a refrigerant flows along a refrigerant tube, and exchanges heat with outdoor air, the outdoor heat exchanger including a plurality of refrigerant tubes spaced apart from one another, a first and second header respectively coupled to both end portions of each of the refrigerant tubes, and a plurality of heat exchanging fins coupled to outer surfaces of the refrigerant tubes to widen a surface making contact with an outside, wherein a total length of a refrigerant flow passage in which a refrigerant flows along the refrigerant tube and exchanges heat with outdoor air is equal to or greater than about 1500 mm and equal to or less than about 6000 mm, in which range, the outdoor heat exchange achieves the optimum performance.

Abstract: Pipeline natural gas is dried to remove water and carbon dioxide and liquefied. This gas and nitrogen are fed into a first heat exchanger for cooling against colder flash and expanded gases. High pressure nitrogen gas is expanded producing refrigeration to liquefy the natural gas passing through further heat exchangers and throttled via a control valve where the resulting liquid natural gas (LNG) exits into a separator. A portion of the LNG is fed to a nitrogen liquefaction unit with a major portion of LNG stored as product. The LNG portion is vaporized and heated to ambient against a pressurized liquefied nitrogen stream, a portion of which is stored as product. The remaining portion of the liquid nitrogen is optionally sent to an air separation unit (ASU) as “liquid assist” producing liquid and gaseous oxygen, liquid argon and gaseous nitrogen merchant gases. A portion of the natural gas stream selectively regenerates one of two dryers.

Abstract: The invention discloses a composite gemstone for use in jewelry, formed of two or more adjacent precious stones, bonded to one another in a permanent manner without use of adhesive. The appearance is that of a single homogenous stone, with high grade optical properties as measured spectroscopically. “Low height” diamonds may be used for forming the composite, when to date such low height diamonds are considered non-profitable for jewelry. A process for the production of such composite gemstones is disclosed.

Abstract: A method of coating a surface of a glass ribbon during a drawing process using atmospheric vapor deposition is provided. The method includes forming a glass ribbon in a viscoelastic state, desirably with a fusion draw. The glass ribbon is drawn in the viscoelastic state. The glass ribbon is cooled in the viscoelastic state into an elastic state. The glass ribbon is directed into an open end of a reactor. The reactor includes multiple channels. A first channel directs a first reactant gas, a second channel directs a second reactant gas and one or more third channels draw excess reactant, or purge it with inert gas flow, or both.

Abstract: Methods of forming a glass ribbon with a glass forming apparatus including a first glass roll device are disclosed. The methods include a step (I) of drawing the glass ribbon along a draw direction with the glass forming apparatus. Also included is a step (II) of adjusting a first roll member relative to a first support structure of the first glass roll device by translating the first roll member in a first linear direction parallel to a linear adjustment axis of the first support structure while the first roll member is adjustably mounted to the first support structure. Also included is a step (III) of contacting a first surface of the glass ribbon with the first roll member at a first adjusted contact location of the glass ribbon. Also disclosed are corresponding glass forming apparatus configured to form glass ribbons and draw the glass ribbons in a draw direction.

Abstract: A furnace for shaping glass sheets for aircraft transparencies using the cut-to-size method includes a preheat and cooling furnace defined as a first furnace, and a shaping furnace. A conveyor geared for reciprocating movement moves a bending iron supporting a glass sheet through the first furnace set to a preheat temperature. The glass sheet supported on the bending iron is heated in the shaping furnace by microwave beams from a gyrotron to heat portions of the glass sheet to be shaped to a complex shape. After the sheet is shaped, the conveyor moves the bending iron supporting the shaped glass sheet from the shaping furnace through the first furnace set to a cooling cycle.

Abstract: A method is disclosed for scribing a contained crack or vent in a chemically strengthened glass sheet. The glass has shallow surface regions under compressive stress, bounding a central region under tensile stress. The vent is formed by rapidly bulk-heating the glass, using radiation from a carbon monoxide laser, to a depth just below a surface compressive region and extending marginally into the tensile stress region then rapidly cooling the heated region with a water mist spray. The glass sheet can be subsequently divided along the vent by application of mechanical or thermal stress.

Abstract: A composite glass forming system applied in the process of producing sheet glass mainly comprises a slotted nozzle downdraw glass forming device and an overflow downdraw glass forming device. The slotted nozzle downdraw glass forming device possesses a nozzle and the overflow downdraw glass forming device is located below the said nozzle. When glass liquid is injected into the slotted nozzle downdraw glass forming device, the glass liquid will flow down through the nozzle to a flow guiding surface formed on the overflow downdraw glass forming device. Then, the overflow downdraw glass forming device makes glass liquid in shape of thin smooth surface sheet glass by using overflow downdraw method.

Abstract: A reformable area and a non-reformable area of a sheet of glass material are heated to a first temperature corresponding to a first viscosity. The reformable area is subsequently locally heated to a second temperature corresponding to a second viscosity, where the second viscosity is lower than the first viscosity. A bend is formed in the reformable area during the local heating of the reformable area by contacting a first pusher with the non-reformable area and translating the first pusher along a linear path to apply a pushing force to the non-reformable area that results in the bend in the reformable area or by contacting a second pusher with an edge area of the reformable area and rotating the pusher along a circular path to apply a pushing force to the edge area of the reformable area that results in the bend in the reformable area.

Abstract: A method of making an optical fiber preform comprising in order: (i) manufacturing a glass preform with at least one porous layer; (ii) exposing the glass preform with at least one porous layer to a fluorine precursor at temperature below 1295° C. to make a fluorine treated preform, and (iii) exposing the fluorine treated glass preform with at least one porous silica based layer the temperatures above 1400° C. to completely sinter the preform. Preferably, the porous silica based layer of the glass preform exposed to fluorine precursor has average density of at least 0.7 g/cm3 but less than 1.9 g/cm3.

Abstract: A blower is provided having a fan element that is directly connected to a drive shaft. The drive shaft is attached to a wash drum and is rotated by a washer motor. When the washer motor rotates the drive shaft, the fan element also rotates and can move air through the washing machine appliance without the use of an additional blower motor. Alternatively, the fan element of the blower is directly connected to a motor shaft extending from the motor, such that when the motor shaft is rotated, the blower can move air through the washing machine appliance without the use of an additional blower motor.

Abstract: A washing machine is provided. The washing machine includes a cabinet having an opening, a tub placed within the cabinet, a drum rotatably placed within the tub, a gasket connecting the tub and the cabinet to each other to reduce vibration of the tub to be transmitted to the cabinet during rotation of the drum, and an injection device configured to inject wash water into the tub. The injection device includes an injection nozzle into which wash water is introduced, the injection nozzle penetrating the gasket, an injection guide configured to guide wash water introduced through the injection nozzle so as to inject the wash water, and a fastener penetrating the gasket to fix a position of the injection nozzle. The washing machine configuration ensures easy coupling of the injection device and prevent change in the direction of the injection device.

Abstract: An additive dispenser for an automatic washing machine includes a container with a compartment for a wash additive. The compartment has a siphon system and a water fall on a wall of the compartment. A flow homogenizing system at the entrance of the dispenser includes: (a) a connection nozzle with an inner part, where the connection nozzle allows communication with a source of wash water, and the inner part of the connection nozzle has two areas with a different size to produce a Venturi effect; and (b) a damping tank with a container and a cover. The homogenizing system homogenize the wash water flow which enters. A perimeter pathway for the transfer of the wash water is formed by the container and the cover; and a deflector to direct the wash water flow which travels through the perimeter pathway.

Abstract: A hand-held laundry treating apparatus includes a portable body, a supply tank including a tank body provided at the portable body, a water chamber provided in the tank body to store water therein and a detergent chamber provided in the tank body to store detergent therein, a suction tank including a suction chamber provided at the portable body to store liquid therein, and a liquid transferring part for supplying liquid stored in the supply tank to laundry and transferring liquid remaining in laundry to the suction tank.

Abstract: A hand-held laundry treating apparatus includes a portable body, a liquid storage part including a tank body provided at the portable body, a water chamber provided in the tank body to store water therein, a detergent chamber provided in the tank body to store detergent therein and a suction chamber provided in the tank body to provide a space to store liquid therein, and a liquid transferring part for supplying liquid stored in the water chamber and the detergent chamber to laundry and transferring liquid remaining in laundry to the suction chamber.

Abstract: A laundry tunnel finisher including a tunnel providing a moisturizing zone therein having a non-linear conveyor pathway therethrough with curved portions adjacent the entrance and exit of the tunnel, at least one nozzle directed at the curved portions of the pathway, a hot water source supplying hot water to the at least one nozzle, a compressed air source supplying compressed air to the at least one nozzle, and a hot air source directing hot air into the tunnel, wherein hot water is atomized using compressed air and is sprayed through the at least one nozzle and mixed with hot air in the tunnel to raise the temperature in the moisturizing zone.

Abstract: A bracket encircles a conduit or lamp post and includes an opening for access to a cover attached to the conduit or lamp post and serves as a security device to prevent access to the electrical conductors behind the cover. A removable plate having a bottom edge engaged within a channel extends across the opening of the bracket. A tang extends from the bracket for penetrable engagement with a slot in the plate. An aperture in the tang extending through the plate is engageable with the shackle of a lock to preclude removal of the plate.

Abstract: A device and a method for theft protection of a bicycle are described, as well as a bicycle equipped with such a device or such a method. A control unit is provided, with the aid of which a locking device is able to be electrically activated in order to block at least the rotation of one wheel of a bicycle. Furthermore, a detection unit is provided, which additionally detects to what extent blocking of the wheel by the locking device is able to take place to begin with. The locking device is electrically activated, i.e., operated, only if blocking of the wheel, e.g., by means of a movable blocking element of the locking device, is actually also possible.