Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7264230 | Carburetor and solenoid assemblies and methods of assembling the same An engine carburetor and a solenoid valve assembly therefor and methods of assembling the same. The carburetor has a body with a fuel and air mixing passage communicating with an air bleed passage. A cavity extends into the body for communication with the air bleed ... | 09/04/2007 |
| 7093686 | Cruise control device for vehicles A cruise control device for vehicles includes a pedal shaft formed at a linking part of an accelerator of the vehicle, a gear rotatably fitted on the pedal shaft, and an adjusting unit releasably engaged with the gear for adjusting the position of an accelerator ped... | 08/22/2006 |
| 7093589 | Apparatus for increasing induction air flow rate to a turbocharger A system that enables enhanced air flow to the air intake of an internal combustion engine having a turbocharger is disclosed. The air induction system includes a plenum or expansion chamber located within the area directly in front of the inlet of the turbocharger.... | 08/22/2006 |
| 5606947 | Automotive acceleration-horsepower control means An automotive acceleration-horsepower control is provided that consists of a single chip vacuum detection transducer, a comparison circuit, a timing circuit, and an amplification circuit. The vacuum detection transducer detects variations in the intake ma... | 03/04/1997 |
| 4856478 | Vacuum control valve A vacuum control valve logically selects between a pair of variable vacuum sources to provide a vacuum to a vacuum use station such that the supplied vacuum is the greater of the two vacuums (the lesser of the pressures). The valve has a main body with a ... | 08/15/1989 |
| 4683853 | Vacuum operated apparatus for controlling the ignition timing of an engine Vacuum operated apparatus for controlling the ignition timing of an engine, which apparatus comprises valve means and first, second and third conduit means, the valve means comprising a valve body, a first chamber, first and second port in the first chamb... | 08/04/1987 |
| 4651766 | Vacuum limiting arrangement A vacuum limiting arrangement uses a three-port, two-position valve in conjunction with a vacuum sustaining valve to limit the vacuum applied to a vacuum driven device. A source of vacuum, such as engine intake manifold vacuum, is connected to one of two ... | 03/24/1987 |
| 4622937 | Vacuum operated apparatus for controlling the ignition timing of an engine Vacuum operated apparatus for controlling the ignition timing of an engine, which apparatus comprises valve means and first, second, third and fourth conduit means, the valve means comprising a first chamber, first and second ports in the first chamber, f... | 11/18/1986 |
| 4509481 | Internal combustion engine with cooling system An internal to be at engine is provided with an engine cooling system by which the amount of cooling water introduced to a radiator is changed in accordance with engine load, so that the temperature of the cooling water is controlled to be at lower levels... | 04/09/1985 |
| 4455979 | Carburettors for internal combustion engines A carburettor for an internal combustion engine has an air passageway in which air flow is controlled by a poppet valve in which fuel is fed from a tapered needle controlled valve readily variable for different fuels including CNG, LPG, Methanol and petro... | 06/26/1984 |
| 4429671 | Device for automatically adjusting the rotational speed of an internal combustion engine when operating under idling conditions The invention relates to a device for automatically adjusting the spark advance for controlling the idling r.p.m. in an internal combustion engine, of the type controlled by first sensor means connected by a first connection to the intake duct upstream of... | 02/07/1984 |
| 4414953 | Internal combustion engine with exhaust gas recycling system An internal combustion engine and method of operating it that improves combustion efficiency, fuel economy and exhaust emission during low speed running. The engine is equipped with a relatively conventional main induction system and an auxiliary inductio... | 11/15/1983 |
| 4399780 | Spark advance control mechanism for dual fuel engine Disclosed herein is a spark advance control mechanism for an engine capable of being selectively operated on gaseous fuel and on liquid fuel.... | 08/23/1983 |
| 4369752 | Exhaust gas purification control apparatus for internal combustion engine An exhaust gas purification control apparatus for an internal combustion engine wherein vacuum signals applied to air fuel mixture control, exhaust gas recirculation control, and ignition timing control are modified by a vacuum signal modifier. The vacuum... | 01/25/1983 |
| 4267809 | Exhaust gas recirculation control system An exhaust gas recirculation control system for an internal combustion engine for removing nitrogen oxides (NOx) in exhaust gases comprises a positive pressure delay valve in a negative pressure passage for introducing intake negative pressure in the prox... | 05/19/1981 |
| 4226220 | Ignition timing control system for an internal combustion engine Disclosed herein is a system for controlling an ignition timing of an internal combustion engine in its idle condition. A control chamber of a vacuum advancer for operating a distributor of the engine is connected, via a vacuum modulator valve formed as a... | 10/07/1980 |
| 4220126 | Ignition timing control device for an internal combustion engine An ignition timing control device for an internal combustion engine incorporating exhaust gas recirculation and vacuum advancing of ignition timing, the device including a check valve which holds the largest vacuum which appears in the vacuum port during ... | 09/02/1980 |
| 4198937 | Pneumatic control apparatus for internal combustion A pneumatic control apparatus is disclosed for an engine exhaust emission control device which includes a passage 101 for applying a negative intake passage pressure to a chamber of a differential pressure responsive unit 10 an atmospheric venting vacuum ... | 04/22/1980 |
| 4197821 | Device for controlling vacuum advancing of ignition timing A device for controlling the vacuum advancing of ignition timing including a vacuum advancer, a diaphragm valve, a first vacuum port opened to an intake passage which is positioned so as to be immediately upstream of a throttle valve when it is fully clos... | 04/15/1980 |
| 4193381 | Spark advance control device for engine equipped with EGR system An engine is equipped with an EGR system in which the amount of recirculated exhaust gases is controlled in response to an intake vacuum in an intake passage. The spark timing of the engine is controlled to advance in accordance with the increase of the a... | 03/18/1980 |
| 4191143 | EGR/Ignition timing control system for an internal combustion engine An EGR/ignition timing control system for an internal combustion engine having a vacuum advancer and an EGR system, wherein the control system includes a vacuum switch which is operated at the same critical vacuum as an EGR valve of the EGR system and a s... | 03/04/1980 |
| 4159702 | Engine ignition timing control with multi-stage advances, retard, and altitude compensation functions A multi-stage engine ignition timing control providing dual stages of advance movement by the use of carburetor spark port vacuum applied to one diaphragm and engine driven air pump pressure applied to a second diaphragm, and the use of a constant referen... | 07/03/1979 |
| 4159013 | Spark timing control device for use in internal combustion engines A spark timing control device for use in an internal combustion engine, which includes a pressure control valve wherein when an input vacuum is not higher than a given vacuum level, an output vaccum remains at a zero level, and when the input vacuum is no... | 06/26/1979 |
| 4142494 | Turbocharged engine with vacuum bleed valve A turbocharged internal combustion engine has a carburetor fuel metering control rod, an ignition timing control member, an exhaust gas recirculation control pintle, and an induction air temperature control damper operated in a response to vacuum signals ... | 03/06/1979 |
| 4126084 | Ignition time adjuster for an internal combustion engine An ignition timing adjuster for an internal combustion engine improves its exhaust gas quality. It has a housing consisting of three housing elements rigidly united together one after another. The second or middle housing element has an axial bore for sli... | 11/21/1978 |
| 4125096 | Ignition timing control system Passage means is provided to feed atmospheric air into the vacuum chamber of a vacuum actuator of a breaker plate and a control valve is provided to control the amount of atmospheric air fed into the vacuum chamber to make the vacuum in the vacuum chamber... | 11/14/1978 |
| 4124006 | Engine emission control system An automotive emission control system in which the engine timing is advanced an amount that is supplemental to the normal part throttle advance, in response to exhaust gas recirculation (EGR) flow, to compensate for the slower burning rate due to EGR dilu... | 11/07/1978 |
| 4122808 | Ignition timing control Ignition timing and exhaust gas recirculation vary with exhaust pressure over one range of engine operation, while in a second range of operation ignition timing varies with induction passage pressure and exhaust gas recirculation varies with both inducti... | 10/31/1978 |
| 4117812 | Auxiliary fuel feed and timing control system for internal combustion engines An auxiliary fuel system for an internal combustion engine which supplements the primary fuel means for delivering fuel through a carburetor passage to said engine. The auxiliary fuel system is comprised of first and second fuel valves placed in parallel ... | 10/03/1978 |
| 4116185 | Radial carburetor Disclosed herein is a carburetor for an internal combustion engine embodying a novel air control valve in which the air is admitted from a plurality of radially disposed apertures. Air flow is controlled by a like plurality of movable shutters attached to... | 09/26/1978 |
| 4105001 | Control mechanism for operation of an internal combustion engine A control mechanism for operation of an internal combustion engine has a throttle, a plurality of cylinders and a three dimensional cam formed with first and second curved surfaces; the first surface is dependent in cam position from a changeable operatin... | 08/08/1978 |
| 4100894 | Flow restrictor A flow restrictor includes a housing having a chamber defined therein which is divided into two pressure chambers by means of a partition wall. An umbrella-shaped one-way check valve, for permitting or blocking fluidic communication between the two pressu... | 07/18/1978 |
| 4099497 | Internal combustion engine having exhaust emission control system The characteristics of an exhaust emission control system can be varied by bleeding air into a vacuum conduit through which a vacuum is applied to a vacuum actuator in the exhaust emission control system. Means for bleeding air into the vacuum conduit inc... | 07/11/1978 |
| 4098245 | Apparatus for controlling the ignition timing of an internal combustion engine Apparatus for controlling the ignition timing of an internal combustion engine provided with an exhaust gas recirculation system. A vacuum advancer has a diaphragm mechanism to control the vacuum ignition timing in response to negative pressure in the car... | 07/04/1978 |
| 4096843 | Starting system A system for improving the starting characteristics of an internal combustion engine is described. The system effects reduced exhaust emissions, especially for engines having thermal reactor and/or exhaust catalyst components. The system comprises a carbu... | 06/27/1978 |
| 4085715 | Ignition timing control system A system is disclosed for controlling the ignition timing for an internal combustion engine on a vehicle. The control effected is designed to increase mileage during low exhaust emission conditions and to better control exhaust emissions under conditions ... | 04/25/1978 |
| 4083335 | Apparatus for controlling the ignition timing of an internal combustion engine An apparatus for controlling the vacuum ignition timing of an internal combustion engine provided with an exhaust gas recirculation system is disclosed. The apparatus comprises a vacuum advancer having at least one diaphragm therein which forms a chamber ... | 04/11/1978 |
| 4054110 | Engine spark timing device A device for retarding the timing of the spark during the initial phase of acceleration of an internal combustion engine. A bar is connected to the throttle operating linkage and to a valve. Motion of the bar operates the valve to connect carburetor sucti... | 10/18/1977 |
| 4052966 | Process for the control of oxides of nitrogen from internal combustion engines An improved process for the control of oxides of nitrogen in engine exhaust gases by retarding the spark timing according to a specific procedure producing extraordinary reductions without adverse driveability effects. The process involves the retarding o... | 10/11/1977 |
| 4051823 | Internal combustion engine An internal combustion engine has a throttle opener arrangement whereby a throttle valve is slightly opened during deceleration of the engine in response to intake manifold vacuum and a distributor with a vacuum spark timing control system. The vacuum spa... | 10/04/1977 |
