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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7947930 | Method and circuit for controlling at least a heating element of a heating device The invention relates to a circuit layout for controlling at least one heating element, in particular a heating element for an electric cooking and/or baking device, with at least one electric temperature sensor for measuring the temperature of the heating element a... | 05/24/2011 |
| 7253379 | High voltage circuit breaker with cooling In order to dissipate heat losses from the inner conductor (21), the circuit breaker (20) having an elongated inner conductor (21) and an outer conductor (22) which surrounds the inner conductor (21) like a housing has at least one... | 08/07/2007 |
| 7000278 | Method and apparatus for end of cycle signal for laundry appliance A method is disclosed for producing an end of cycle for a laundry appliance having a drive motor, a timer motor, and at least one water valve. The method includes determining that the drive motor was previously running and is presently turned off, determining that t... | 02/21/2006 |
| 6992569 | Safety shutdown system A safety shutdown system is provided for use with a fluid delivery system, such as used on a delivery vehicle. The safety shutdown system includes a plurality of sensors for sensing characteristics of a fluid delivery system. A controller includes a query timer func... | 01/31/2006 |
| 6907680 | Method for drying laundry and machine implementing such a method Method for drying laundry and a machine able to implement such a method, which provides for the use of only one electric resistance for heating the air utilized for drying purposes. According to the invention, during the starting phase of the drying process, ... | 06/21/2005 |
| 6730882 | Child-safe door latching system for a cooking appliance A cooking appliance, such as a range, includes a cabinet within which is arranged an oven cavity that is adapted to be selectively closed by a pivotable door. A latching mechanism is provided to interconnect the door and the cabinet. The latching mechanism is movabl... | 05/04/2004 |
| 6429407 | Household electronic toaster A toaster having an electronic circuit including a chip-on-board ASIC that controls the operation of toaster heating elements and an electromagnet to which relatively high voltage is applied to hold an armature carried by a bread carriage and toaster-oper... | 08/06/2002 |
| 6350966 | Electronic cooker time switch An electronic cooker time switch (1) having a display panel, input elements for time data and switching times, a control circuit, a relay for automatically switching an electric load on and off, and a change-over switching device for switching over from a... | 02/26/2002 |
| 6310330 | HVAC heater power and control circuit An improved system and method for controlling the temperature of a resistance heater in a heating, ventilation and air-conditioning ("HVAC") system is disclosed. The control circuit and method includes three separate thermostats per heater leg and are des... | 10/30/2001 |
| 6150640 | Temperature controller for electric cooking appliances A temperature controller for electric cooking appliances includes a activating button movably provided on an outer surface and a temperature controller fixed inside an electric cooking appliance. The temperature controller has a shaft and a gear fixed on ... | 11/21/2000 |
| 6140620 | Appliance timer A device for disconnecting an electric appliance or a component thereof from a source of electricity including a circuit connecting the appliance or component thereof to a power source through a relay or other component to open the circuit; and a timer ci... | 10/31/2000 |
| 5925274 | Electrical range power override timer unit An electric range override timer unit including an electrically controllable power interrupt circuit positioned between a conventional male power plug adapted for connection with an existing electrical wall socket and a socket assembly adapted for receivi... | 07/20/1999 |
| 5812411 | Tapped variable potentiometer resistor with current sense and safety circuit An electronic selector knob circuit (10) which uses a tapped potentiometer (POT1) to provide accurate operation without requiring factory calibration. The potentiometer (POT1) is calibrated through on-board circuitry which includes a tap voltage biasing d... | 09/22/1998 |
| 5693245 | Electric range temperature control with mandatory timer The disclosure relates to an integral electric range surface burner control switch user interface made up of two components. The first component, which controls the burner temperature setting, is a standard knob which is rotated to turn the burner on, as ... | 12/02/1997 |
| 5321230 | Seal wire heat control system A seal wire heat control system adapted to record in memory the immediate history of the operation of the seal wire and to adjust the time duration of the application of voltage to the seal wire in accordance with a predetermined program. The application ... | 06/14/1994 |
| 5304782 | Protection circuit for electric toaster An electric toaster that enables power to be disconnected from the heating elements upon completion of a toasting cycle regardless of the position of the main product supporting the carriage in the toasting compartment. The toaster has an electromagnetic ... | 04/19/1994 |
| 5193439 | Programmable electric toaster An apparatus is provided for the automatic toasting of bread and other bakery products. The toaster includes a cool wall housing with a single elongated toast slot and a digital display and control panel. Provided within the housing is an automatic elevat... | 03/16/1993 |
| 5107088 | Cooking appliances A microcomputer-based control device for microwave ovens includes a timer defining an operation period of a magnetron and incorporated in the microcomputer, an encoder generating electrical pulses, the number of which is in accordance with an amount of an... | 04/21/1992 |
| 5083010 | Pyrolytic self-cleaning stove A stove with pyrolytic self-cleaning includes an oven having a cooking chamber to be heated and pyrolytically self-cleaned. An automatic pyrolysis system recognizes a limit value for soiling and controls pyrolytic self-cleaning. The automatic pyrolysis sy... | 01/21/1992 |
| 5073701 | Arrangement in a range or a cooking hob An arrangement in a range, a cooking hob or the like having at least one electrically heated hot plate (11) and/or oven, comprising a manually operable setting system (13) for the setting of a desired power or temperature for the hot plate or the oven. A ... | 12/17/1991 |
| 5064998 | Relay control apparatus A relay control for a cooking appliance having a heating element includes a sensor for detecting the occurrence of an arc upon a change of state of a relay coupled between the heating element and a power supply. Upon detecting an arc, the sensor provides ... | 11/12/1991 |
| 4980540 | Positive power-off circuit for electrical appliances A power-off control circuit for a household appliance, including a manually operating momentary switch having conductive and non-conductive states. The switch is connected to a source of electric power so when the switch is momentarily manually operated i... | 12/25/1990 |
| 4944217 | Automatic coffee brewing apparatus An automatic coffee brewing apparatus and a method for measuring a quantity of water to be used for brewing coffee with a consistent and pleasing taste. The automatic coffee brewing apparatus has a housing formed to receive a replaceable water bottle, res... | 07/31/1990 |
| 4897526 | Kiln automatic power level switching and display mechanism A kiln firing cycle controller is disclosed which automatically cycles a hobbyist kiln through its low, medium, and high power level phases. The exemplary embodiment includes a control panel having a firing cycle initiating control knob. Manipulation of t... | 01/30/1990 |
| 4886955 | Heating apparatus for maintaining a solution at a predetermined temperature A heating apparatus including a heating member for heating a subject, a temperature detector for detecting a temperature of the subject an energizing control element that is electrically connected to the temperature detector so that current conduction to ... | 12/12/1989 |
| 4863698 | Disinfector for glass vials A multiple station disinfector apparatus simultaneously heats a plurality of devices such as contact lenses. Each of these devices is disposed in a quantity of liquid within a closed container. The apparatus comprises a housing having a base portion and a... | 09/05/1989 |
| 4791251 | Delayed actuator with visco-elastic timer A delayed actuator mechanism with visco-elastic timer is provided including a support section and an actuator section mounted to the support section. A compression spring biases the actuator section in a first state and permits the actuator section to be ... | 12/13/1988 |
| 4755656 | Toaster An electrical toaster is provided with timer means which is initiated when a food product carrier is secured in an operative position adjacent a toasting element. The timer means normally releases the carrier from its operative position after a toasting i... | 07/05/1988 |
| 4727240 | Electric iron with dual automatic cutoff An automatic-cutoff electric iron employs two timing cycles for turning off power to the electric iron upon the absence of motion for two different discrete time periods. A motion sensor includes an angle sensor to enable a short timing cycle for cutting ... | 02/23/1988 |
| 4725714 | Drip-type hot water feeder A drip-type hot water feeder of a coffee maker incudes an electric heater for heating and boiling water fed from a water reservoir, and a timer for controlling the time for supplying an electric current to the heater to regulate the hot-water supply to a ... | 02/16/1988 |
| 4713528 | Cooking apparatus with timer A cooking arrangement including a timer function which enables cooking operation of the apparatus to be automatically continued without carrying out a restarting operation even if the timer operation is cancelled while cooking is being carried out under t... | 12/15/1987 |
| 4705930 | Heating control apparatus A heating control apparatus for exciting the heating element of a kiln or the like. The heating control apparatus includes an interval timer that produces a pulse of electricity having a predetermined duration of time, a fixed timer adapted to open and cl... | 11/10/1987 |
| 4658119 | Warming apparatus for use during sleep A warming apparatus for use during sleep includes at least one of a temperature-up timer circuit for raising a temperature of an electric heater by an amount in the range of 2° C. to 6° C. for a predetermined time and thereafter restoring the temperatur... | 04/14/1987 |
| 4547657 | Power control unit A power controller for placement between a source of electricity and a user of electricity such as heaters for heating thermoplastic material. The controller comprises a normally closed switch allowing electrical communication between the source and user.... | 10/15/1985 |
| 4520259 | Electrical energy saver An electrical system for providing an energy load regulator for use with electric clothes dryers and electric hot water tanks. The load regulator cycles the heating element within the dryer or hot water tank for predetermined periods while the appliance r... | 05/28/1985 |
| 4504716 | Electronic digital timer An electronic digital timer for displaying time information on an electronic digital display device such as a fluorescent display tube. A time setting knob is employed to set time information. By operating the time setting knob in an analog fashion, time ... | 03/12/1985 |
| 4486648 | Energy regulator for a household heating appliance for producing variable speed initial heating An energy regulator for a household heating appliance such as an electric cooker comprises an electronic controller for the cyclical control of the supply of electrical energy to a heating element and a switch for increasing the electrical energy supplied... | 12/04/1984 |
| 4450345 | Foodstuffs heating apparatus with selective heating functions In a foodstuffs heating apparatus wherein a plurality of different heating function modes are selectively effected and heating temperature and heating time are settable, when an oven heating function is selected from the plurality of function modes by a s... | 05/22/1984 |
| 4420677 | Heating system A heating system comprising a closed conduit containing a liquid which is continuously circulated through the conduit by a pump. An electrical resistance heating unit serves to heat the liquid in the conduit and heat is transferred from the liquid through... | 12/13/1983 |
| 4418271 | Control system including a timing mechanism for a drying apparatus An electrical circuit electrically connects a timer motor for a timer in parallel with a thermostat means, the thermostat being electrically connected in series with a heating mechanism. With such a connection, heat may be applied to a drying apparatus wh... | 11/29/1983 |
