Class / Patent application number | Description | Number of patent applications / Date published |
307328000 | Interlock | 32 |
20080203827 | ELECTRICAL SUPPLY UNIT - An electrical supply unit, comprising: a sealable container having an interior and being moveable between an open position, in which the interior may be accessed by a user and a closed position, in which the interior may not be accessed by a user; and one or more charging points located in the interior of the container, each charging point being operable to provide a first supply of electricity when the container is in the closed position and operable to provide a second supply of electricity when the container is in the open position. | 08-28-2008 |
20090051226 | POWER UNIT AND SAFETY CIRCUIT HAVING THE SAME - A power unit including a plurality of series-connected battery modules and a safety circuit. | 02-26-2009 |
20090058197 | SAFETY SWITCHING APPARATUS AND METHOD FOR SAFELY SWITCHING AN ELECTRICAL LOAD ON AND OFF - The invention relates to a safety switching apparatus and to a method for safely switching on and off an electrical load, in particular an automated installation. The apparatus comprises a first port for a first signaling element, a second port for a second signaling element, a first switching device coupled to a first switching activator, and a second switching device coupled to a second switching activator. A time monitoring apparatus activates the first and the second switching activators only if a time between an actuation of the signaling elements is smaller than a predetermined maximum duration. The activation of the switching activators in turn causes the switching devices to be switched-through and thus the load to be switched on. For the activation of the switching activators, a first and a second switching element, which are each arranged in series with the switching activators, need to switched-through. According to one aspect of the invention, at least a first microcontroller is provided for the time monitoring, which microcontroller is designed to detect actuations of the signaling elements and to activate the switching elements in the event of the maximum duration being undershot. | 03-05-2009 |
20090146506 | TWO-HAND SWITCH DEVICE - Task—To provide a two-hand switch device that requires only a small load for each operation cycle. | 06-11-2009 |
20090189463 | Actuator for actuating a safety switch - An actuator is disclosed for actuating a safety switch. In at least one embodiment, the actuator includes a fixing element, an actuating element, and a connection arrangement for connecting the elements. A technical method is disclosed which proposes a universally applicable and low-cost activator. To this end, in at least one embodiment, the connection arrangement is implemented with at least one elastic element, which is pretensioned by way of at least one pretensioning element. Due in particular to the internal mounting of the pretensioning element inside the elastic element, a very simple and robust structure of the connection arrangement is achieved. | 07-30-2009 |
20100117459 | Poka Yoke Design For Reminding The User To Disconnect The Shore Power From The APU Before Opening The Cover - The catch for an auxiliary power unit cover comprises a bracket which has an opening therein sized and configured to receive shore power receptacles of the unit within the opening, the bracket being engaged to and extending outwardly of the cover, and over the receptacles, such that the cover cannot be removed while shore power lines remain engaged within the receptacles therefor. | 05-13-2010 |
20100133922 | Integrated Automatic Selection of Maintenance Mode in Electronic Tripping Systems to Minimize Arc Fault Energy - A monitor control system and method for an electrical distribution system includes a trip unit of a circuit breaker. A sensor is associated with the electrical distribution system and coupled to the trip unit wherein the sensor is connected to one or more components of the electrical distribution system to detect whether the electrical distribution system is being serviced when a presence of a human being is also detected. A selector is coupled to the trip unit and configured to select maintenance mode parameters to define a mode of operation of the trip unit wherein in the maintenance mode arc flash reduction or tripping delay reduction is provided such that the trip unit operates based on the maintenance mode parameters. | 06-03-2010 |
20110050003 | ELECTRIC SHOCK PREVENTING DEVICE AND INFORMATION PROCESSING TERMINAL INCLUDING ELECTRIC SHOCK PREVENTING DEVICE - There is provided an information processing terminal including an electric shock preventing device in a rear surface thereof. The electric shock preventing device includes a power source covering plate which slides to cover a connection unit; a separation preventing member which is prevented from sliding in a transverse direction by the power source covering plate if the power source covering plate exposes the connection unit, and is allowed to slide in the transverse direction if the power source covering plate covers the connection unit; and a lock installing member which prevents sliding in the transverse direction of the separation preventing member. The separation preventing member prevents separation of a printing circuit board block. Accordingly, an operator can separate the printing circuit board block only when removed a power cable from the connection unit, and electric shocks can be prevented. | 03-03-2011 |
20110062798 | FUNCTIONAL HIGH-VOLTAGE INTERLOCK SYSTEM AND METHOD - Methods and apparatus are provided for a functional high-voltage interlock system. The apparatus includes an enclosure, a high-voltage terminal, a low-voltage circuit, and a control circuit. The enclosure includes an access point that may be breached. The high-voltage terminal is disposed at least partially within the enclosure, is accessible by breaching the high-voltage access point, and is configured to be energized from a high-voltage electrical power source. The low-voltage circuit is disposed within the enclosure, and is coupled to selectively receive a low-voltage electrical signal. The control circuit is coupled to, and is configured to supply the low-voltage electrical signal to, the low-voltage circuit only when the high-voltage access point is not breached. The control circuit implements a first function and a disparate second function. The first function determines whether the access point is breached and, if so, prevents the high-voltage terminal from being energized from the high-voltage electrical source. | 03-17-2011 |
20110187206 | SAFETY INTERLOCKS FOR ELECTRICITY METER CONTROL RELAYS - Safety in an electricity metering environment is improved by providing an additional level of safety interlocking to disconnect switches and other control relays in electricity meters. | 08-04-2011 |
20110204730 | INFORMATION PROCESSING TERMINAL AND METHOD FOR PREVENTING AN ELECTRIC SHOCK FROM THE INFORMATION PROCESSING TERMINAL - According to one embodiment, an information processing terminal includes a power supply for supplying electric power, an inlet connected to a power cord for supplying electric power to the power supply, an electronic board on which an arithmetic unit is mounted, and a body cover which covers a body including at least the power supply and the electronic board. The information processing terminal further includes a covering member disposed in the body or the body cover, the covering member being displaced to expose one of the inlet and at least one locking member, which should be removed to take the body cover out of the body, while covering the other. | 08-25-2011 |
20120025632 | ELECTRIC MOTOR APPARATUS - An apparatus is provided and includes a load, circuitry coupled to the load for turning the load on and off, a conduit box through which electricity is transmitted to the load to power the load when the load is turned on, the conduit box including a conduit box body formed to define an aperture and a cover, which closes the aperture when the cover is disposed at a predefined position relative to the conduit box body and a system by which the conduit box body and the cover are operably coupled to the circuitry to provide transmission of the electricity through the conduit box when the load is turned on only when the cover is disposed at the predefined position relative to the conduit box body. | 02-02-2012 |
20120091826 | FAN - A fan includes a housing, a cable, a number of blades received in and mounted to the housing, a motor driving the blades to operate and receiving electric energy by the cable, and a switch mounted on a bottom of the housing and connected with the cable. When the fan presses the switch, the cable and the switch form a closed circuit. When the fan releases pressure from the switch, the closed circuit is opened. | 04-19-2012 |
20120169143 | ELECTRIC VEHICLE - In an electric vehicle in which a high voltage battery supplying electric power to an electric motor generating power to drive a drive wheel and a low voltage battery supplying electric power to an accessory are mounted in a vehicle body, a breaker ( | 07-05-2012 |
20120235515 | Lock-Out, Tag-Out System Using Safety Network - A remote lock-out, tag-out system for controlling multiple power control circuits in a motor control center employs a safety network providing serial communication between one or more remote lock-out, tag-out stations and individual power control circuits of the control center permitting remote disconnection of power without the need for protective gear. | 09-20-2012 |
20120242172 | SYSTEM AND METHOD FOR ENCLOSING INFORMATION HANDLING SYSTEM COMPONENT DEVICES - An information handling system component contained within an information handling system housing uses the information handling system housing as at least a portion of a safety enclosure for hazardous functions of the component. A lock out device disables the hazardous function if the information handling system housing is moved relative to the component. For example, an optical disc drive laser is disabled if a Hall effect sensor in the chassis of the optical disc drive no longer senses a magnet placed in a portion of the information handling system housing used to enclose the optical disc drive. | 09-27-2012 |
20120280578 | INTELLIGENT LASER INTERLOCK SYSTEM - Systems and methods are disclosed for shutting down a laser system in an intelligent and flexible manner. An intelligent laser interlock system includes both hardwired components, and intelligent components configured to execute computing instructions. The hardwired components and the intelligent components are configured to shutdown the laser system to one or more alternative shutdown states in response to one or more interlock signals. | 11-08-2012 |
20130026856 | Electrical disconnect assembly with separate disconnect compartment, such that safety handle mechanism does not provide access to the disconnecting device or any energized parts or conductors. - An electrical disconnect assembly with separate disconnecting device compartment, such that safety handle mechanism does not provide access to the disconnecting device or any energized parts or conductors consisting of multiple compartments arranged so as to allow service of the load compartment without exposure to line voltages. The assembly includes a plurality of compartments with the load compartment having a lockable handle operator that that is interlocked with its corresponding compartment door. The handle operators are mechanically connected to the disconnecting devices via flexible cables or mechanical linkage. A key feature/distinction of this invention is that the disconnecting devices is remote mounted from the overcurrent protective device, so that when the handle operator is switched to the OFF position there are no components (e.g. disconnecting device and/or its conductors) within the load compartment that remain energized by line voltage. | 01-31-2013 |
20130026857 | RESTART PROTECTION FOR BATTERY-OPERATED ELECTRICAL UNITS - A protective system for an electric unit operated by an installable battery pack includes: a control device configured to activate the electric unit in the case of the installed battery pack by operating a main switch; a contact device of the electric unit and a contact device of the battery pack including mutually complementary contact elements, which in each case form a first and a second interface for producing a first and a second electrical connection between the electric unit and the battery pack. In this instance, the contact devices are configured, during the installing of the battery pack, to produce the first electrical connection before the second electrical connection in time. | 01-31-2013 |
20130214618 | Safety System - A safety system comprises an activation mechanism, a safety circuit, and a drive system in communication with each other. In one embodiment, the activation mechanism produces an activation signal in response to an actuation of the activation mechanism. The safety circuit operates in either a locked state or a normal operation state. In this embodiment, the safety circuit is programmed to prevent the activation signal from being communicated to the drive system when the safety circuit is operating in the locked state and to allow the activation signal to be communicated to the drive system when the safety circuit is operating in the normal operation state. The safety circuit is programmed to transition from the locked state to the normal operation state in response to receiving both an unlocking code and a follow-up signal that is received by the safety circuit within a predetermined amount of time. The safety circuit may be further programmed to transition from the normal operation state to the locked state in response to the safety circuit failing to receive an activation signal within a second predetermined amount of time. | 08-22-2013 |
20130221763 | Activation Of Safety Mechanisms Using Smart Materials - In various embodiments, the present disclosure relates to systems, for selectively actuating a safety mechanism, using a transformable material, to protect against an unwanted condition. The system in one implementation includes first and second pulley devices configured to accommodate multiple strands of the transformable material. In another implementation, the system includes two connection points for holding the transformable material and an overload-protection sub-system for protecting the transformable material from overload. In still another implementation, the system includes a first biasing element and a manual-release sub-system including a second biasing element. | 08-29-2013 |
20130285478 | Safety Pin - The present invention provides a safety pin which includes a cylinder having a first and second interfaces. A piston is moveably disposed within the cylinder to divide the cylinder into the first and second chambers. A safety pin is securely attached to the piston. A compressed air supplying device supplies the compressed air to the first and second chambers selectively. The safety made accordance with the present invention is securely attached to the piston which divides the cylinder into the first and second chambers. When the compressed air is injected into the first and second chambers selectively, the safety pin is extended or retracted so as to realize the lockup and unlock of the equipment eliminating human error resulted from negligence. | 10-31-2013 |
20130342030 | HIGH VOLTAGE PROTECTION INTERLOCK SYSTEM FOR SERVICEABILITY - An interlock system and method are provided for protecting high voltage electrical couplings. The interlock system may control access to the electrical couplings based on the voltage of the electrical couplings. The interlock system may also selectively energize and de-energize the electrical couplings based on the position of a lid. | 12-26-2013 |
20140021805 | INJECTION MOLDING MACHINE WITH MOTOR POWER INTERRUPTION FUNCTION - An injection molding machine has a motor power interruption function such that it is determined whether or not the respective contents of preset first and second interruption criterion settings are different from each other. If the contents of the two settings are determined to be different from each other, then a third motor power interrupt signal is output so that at least one of first and second motor power interruption units is cut off in response to the output signal, thereby interrupting power supply to a motor. | 01-23-2014 |
20140042831 | Safety System - A method of controlling a motorized device comprises the steps of providing a motorized device, receiving a code, checking that code, and changing the operational state of a portion of the motorized device in response to the code in certain circumstances. In one embodiment, the motorized device comprises a drive system, an activation mechanism, and a safety circuit that is in communication with the activation mechanism and at least a portion of the drive system. After receiving an unlocking code from the activation mechanism, the next step is to determine if the received unlocking code corresponds to a predetermined unlocking code. Subsequently, if the received unlocking code corresponds to the predetermined unlocking code, then the safety circuit is transitioned from a locked state to a normal operation state. Additional codes and corresponding operational states may also be incorporated into other embodiments of the method. | 02-13-2014 |
20140132086 | MACHINE TOOL AND DRIVE REGULATION DEVICE FOR SAID MACHINE TOOL - A drive regulation device for a machine tool that stops driving of a motor when a door ( | 05-15-2014 |
20150061413 | HYBRID ELECTRIC VEHICLE BATTERY COVER WITH ELECTRICAL DISCONNECT - A battery system includes a battery cover, a battery access panel removably connected to the battery cover, and a service disconnect switch. The service disconnect switch includes an electrical interlock switch. The service disconnect switch has a first position cooperating with the battery access panel to prevent removal of the access panel from the battery cover. In the first position, the service disconnect connects a traction battery to circuitry. The service disconnect also has a second position, the second position being displaced from the access panel and disconnecting the battery. | 03-05-2015 |
20150102691 | SAFETY CIRCUIT FOR THE EXPLOSION-PROOF CASING AND METHOD OF OPERATING SAID SAFETY CIRCUIT - The invention relates to a safety circuit ( | 04-16-2015 |
20160084436 | Self-Propelled Working Device - A self-propelled working device has a housing and an operating element arranged on the housing. A pivot bearing is arranged on the housing. A lid is pivotably arranged on the housing so as to pivot about a pivot axis of the lid, wherein the lid has a closed state in which the lid covers the operating element and an open state enabling access to the operating element. The lid has a bearing section interacting with the pivot bearing, wherein the bearing section and the pivot bearing define the pivot axis of the lid. A first Hall sensor is arranged in the housing and monitors a pivot position of the lid. A first magnet is arranged on the bearing section of the lid. The first magnet rotates when the lid pivots about the pivot axis and the magnetic field of the first magnet is detected by the first Hall sensor. | 03-24-2016 |
20160154386 | INTERLOCK CIRCUIT AND IMAGE FORMING APPARATUS | 06-02-2016 |
20160178125 | DIAGNOSTICS AND ENHANCED FUNCTIONALITY FOR SINGLE-WIRE SAFETY COMMUNICATION | 06-23-2016 |
20160377227 | CONTROL UNIT AND ACTUATOR WITH CONTROL UNIT - An electronic control unit ( | 12-29-2016 |