Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 7364139 | Carburetors A carburetor having a throttle valve in the form of a disc which can be rotated to control flow of an air/fuel mixture through a duct, the throttle disc having a heating element and a temperature sensor formed on at least one surface of said throttle disc; and an el... | 04/29/2008 |
| 7213555 | Automatic choke A choke valve is controlled finely suited to the running state of an engine. A throttle valve 8 and a choke valve 9 are provided in series on an intake pipe 6, and the opening degree of the choke valve 9 is controlled by a stepping motor.... | 05/08/2007 |
| 5660765 | Thermostatic element for controlling a solenoid operated carburetor choke The air-fuel mixture produced by a carburetor is controlled by an apparatus that includes a choke valve located in a passage of the carburetor. A solenoid with a moveable plunger rod coupled to move the choke valve between extreme open and closed position... | 08/26/1997 |
| 4730589 | Automatic choke system for an automotive engine An automatic choke system has a thermostatic spring connected to a choke valve, and a heater for heating the thermostatic spring so as to open the choke valve. A control circuit is provided for controlling the current passing through the heater. At starti... | 03/15/1988 |
| 4699738 | Electrically heated choke having improved control An automatic choke mechanism including an electrical heater and a circuit for energizing the heater so that the choke is opened first at a relatively rapid rate and later at a slower rate. The means for heating the choke comprises an N.T.C. device in seri... | 10/13/1987 |
| 4662333 | Carburetor with automatic starting device A carburetor is provided with an automatic starting device, more especially for motor car engines, comprising a butterfly valve controlled by the driver and -for starting up and cold running of the engine- an automatic starting device. This device compris... | 05/05/1987 |
| 4591699 | Control circuit for an electrically heated bimetal actuated automatic choke valve A control circuit for controlling a bimetal actuated choke valve adapted to be driven by a heater energized by electric power whose duty ratio is changed in response to ambient temperature. The control circuit is integrally formed by a hybrid integrated c... | 05/27/1986 |
| 4496496 | Fuel supply system with electric choke and control therefor A fuel supply system for an automotive engine has a heater which is energized, deenergized and then reenergized in sequence to heat a thermostat metal coil spring over a selected temperature range to regulate opening of a carburetor choke during engine wa... | 01/29/1985 |
| 4486360 | Carburetor A carburetor with a fuel nozzle in the throat, an upstream butterfly valve, a downstream butterfly valve, a first vacuum actuator for controlling the upstream butterfly valve as a function of vacuum in the throat, and a second vacuum actuator for controll... | 12/04/1984 |
| 4482507 | Sonic carburetor A carburetor which is responsive to an operator controlled throttle includes a fuel metering and dispersion system for optimally mixing a fuel with air in preparation for the injection into the intake manifold of an internal combustion engine. The carbure... | 11/13/1984 |
| 4464310 | Insulated cap and heat sink for automatic choke control An automatic choke control which includes a housing, a bimetallic coil in the housing having an output shaft for connection to a choke to move the choke toward a closed position when the temperature of the engine is low and to move the choke toward an ope... | 08/07/1984 |
| 4393012 | Temperature-responsive control device for carburetor A temperature-responsive control device for carburetors in which a heat-generating body produces heat as the engine is started from the cold state to heat up a heat-mass through an annular contact portion. The heat-mass temperature then rises with a certa... | 07/12/1983 |
| 4382043 | Automatic choke The present invention relates to an automatic electrical choke, disposed inside the intake system of a gasoline engine, consisting of a bimetallic helical spring the movable end of which has an eyelet for operating the choke valve, while its second end is... | 05/03/1983 |
| 4352346 | Electronic control system for a carburetor An electronic control system for a carburetor of an internal combustion engine for controlling the air-fuel ratio to a value providing satisfactory cold engine operating performance. The system comprises an automatic choke device having a heater operative... | 10/05/1982 |
| 4348996 | System for controlling air-fuel ratio A system for controlling the air-fuel ratio for an internal combustion engine having an induction passage, an exhaust passage, a choke valve in the induction passage, an automatic choke device comprising a positive temperature coefficient (PTC) heater and... | 09/14/1982 |
| 4344898 | Carburetor controlling system In a carburetor system having an electrically-heated choke system including a first heat generating member which is heated by the power supplied from a battery and a first thermo-sensitive member which is deformed by the heating operation of the first hea... | 08/17/1982 |
| 4331615 | Fuel supply system with automatic choke A fuel supply system for an automotive engine has a thermal control regulating choke valve movement in a carburetor to provide smooth engine starting at various ambient temperatures while achieving improved fuel efficiency and pollution emission control. ... | 05/25/1982 |
| 4324745 | Device for automatically regulating a choke valve in a carburetor for an internal combustion engine Disclosed herein is a device for automatically regulating a choke valve mounted in a carburetor. The device comprises a housing fixed to the body of a carburetor, a bimetal coil provided in the housing and connected to a choke valve shaft urging the choke... | 04/13/1982 |
| 4318070 | Spring biased actuator for a thermal delay valve or switch An actuator for use as part of an electrically heated thermal delay valve (FIG. 1) or switch (FIG. 2) includes a thermally responsive plate (12) the periphery of which is fixed and the central part of which forms a temperature-dependent control element. T... | 03/02/1982 |
| 4314837 | Reactant delivery system method A method for delivering vaporous source materials to an oxidizing reaction flame or the like. Each constituent is maintained in liquified form in an enclosed container that is provided with a heater for raising the temperature of the liquid to a value suf... | 02/09/1982 |
| 4311653 | Fast idle carburetor system A carburetor system has a fast idle cam to hold the throttle plate in a fast idle position for facilitating engine operation during warm-up after starting. The cam is movable to a second position after engine warm-up to permit the throttle plate to move t... | 01/19/1982 |
| 4297980 | Motor vehicle carburetor choke mechanism An automotive type carburetor is provided with a choke construction that assures opening of the choke valve without the use of vacuum in the event of an electrical failure in the choke assembly, or a failure in the secondary air pump system of the engine;... | 11/03/1981 |
| 4245608 | Idling control apparatus for internal combustion engine An idling control apparatus for an internal combustion engine includes a valve element amounted in a passage for air for idle running of the engine bypassing a throttle valve mounted in a suction conduit for communicating a portion of the suction conduit ... | 01/20/1981 |
| 4237077 | Automatic choke system An automatic choke system of modular construction has self-regulating heaters arranged to heat a thermostatic spring to adjust a choke valve during start-up of an automotive engine. Heat storing and transferring means are located between the heaters and s... | 12/02/1980 |
| 4220460 | Vapor delivery system and method A system for generating and delivering vapors to a vapor deposition station is disclosed which comprises a bubbler 10 adapted to contain a supply of liquid, a bubbler heater 14 thermally coupled with the bubbler and electrically coupled with a heater cont... | 09/02/1980 |
| 4218406 | Automatic choke control A choke control device for delaying closing of a choke valve regulated by a temperature responsive bimetal coil after an internal combustion engine is turned off by employing a heat sink which stores the latent heat of fusion or vaporization that is deliv... | 08/19/1980 |
| 4214565 | Fuel injection apparatus A fuel injection apparatus for mixture-compressing, externally ignited internal combustion engines. An air flow rate member, arranged in the air intake manifold is moved against a return force by air flowing through it to adjust a control slide of a meter... | 07/29/1980 |
| 4201735 | Method of manufacturing a choke control device The device includes a thermostat which is potted or secured by epoxy in a recess in the closed end of a generally cup-shaped, dielectric housing. A generally disc-shaped, aluminum alloy casting is secured coaxially against an opening formed in the bottom ... | 05/06/1980 |
| 4182298 | Warm-up control apparatus for a fuel supply system A warm-up fuel control apparatus for an internal combustion engine including a pressure control valve for maintaining a pressure differential at a fuel proportioning valve, the pressure control valve having a moveable valve component subjected to fuel pre... | 01/08/1980 |
| 4181107 | Carburetor choke valve controlling device A control system for the choke valve of a caburetor employs a bimetal element heated by an electric resistance heater when the engine is running to move the choke valve toward open position. A vacuum actuator is connected to move the choke valve toward op... | 01/01/1980 |
| 4153653 | Fuel induction system for internal combustion engines A system for supplying fuel to an internal combustion engine for optimum efficiency in engine operation and fuel economy and for minimum objectionable exhaust emissions. The system pertains particularly to an internal combustion engine in an automobile, t... | 05/08/1979 |
| 4141330 | Pressure regulating valve for fuel injection systems There is proposed a pressure regulating valve for a fuel injection system which serves to regulate the heating-up fuel amount for an explosion, external auto-ignition, internal combustion engine. The pressure regulating valve comprises a movable valve com... | 02/27/1979 |
| 4131657 | Electric automotive choke An electric choke assembly includes a heater to heat a coiled bimetallic spring which opens a choke valve. The heater comprises a double ring electroded thermistor for the purpose of generating two different heating rates which are controlled by a bimetal... | 12/26/1978 |
| 4114584 | Carburetor choke positive closure mechanism The choke valve or plate of an automotive type carburetor is provided with a solenoid operated mechanism to positively close the choke plate during engine cranking operations below predetermined temperature levels to assure uniform cold engine starts, a b... | 09/19/1978 |
| 4096837 | Automatic choking device of electric heating type An automatic choking device of an electric heating type for use in an automobile engine and the like having a carburetor main body, a choke valve provided in the carburetor main body, a shaft for rotating the choke valve which is supported on the carburet... | 06/27/1978 |
| 4083336 | Condition responsive control device A condition responsive control device is disclosed for affecting operation of a choke control in response to variable ambient and system temperatures, as well as the use of such a device in a system in which it is desired to adjust an operating parameter ... | 04/11/1978 |
| 4081499 | Carburetor with electric heating type autochoke device A hollow space of limited volume is defined in the central aperture formed through a heat-conducting plate, held in contact with a planar temperature-responsive resistance element, to receive the bimetal and heater supporting shaft. By varying the diamete... | 03/28/1978 |
| 4058097 | Choke control An automotive choke control with improved heating and cooling characteristics to more closely reflect an analogue of the engine temperature for reducing the pollutant content of automotive exhaust gases by regulating the choke. In the control two self-reg... | 11/15/1977 |
| 4054620 | Cold enrichment thermostat enclosure In a carburetor choke assembly having a coiled bimetal thermostat enclosed between a housing and a cover, the cover is retained on the housing by a plurality of spring clips which are hooked to the housing and have a serrated edge gripping the cover.... | 10/18/1977 |
| 4050427 | Carburetor automatic choke construction The carburetor has a conventional automatic choke construction heating a bimetallic coil by engine exhaust stove heat to slowly open the choke valve during cold weather starts; supplemental heat is provided by an electrically controlled positive temperatu... | 09/27/1977 |
