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Patents Published on 09/17/1991


See All Patents Issued In 1991


          10            
NumberTitleIssue Date
5048482Device for controlling an operating characteristic of an internal combustion engine
A device for controlling an operating characteristic of an internal combustion engine is suggested with a speed limitation being effective according to a predetermined time function by influencing the fuel metering during the transition from the idling st...
09/17/1991
5048483System and method for controlling engine revolutions for vehicular internal combustion engine
A system and method for controlling an engine revolution speed are disclosed in which upon a reduction in coolant temperature, a control signal is supplied to an idling control valve having a duty ratio reducing the duty ratio corresponding to the opening...
09/17/1991
5048484Throttle controller
Disclosed herein is a throttle controller that uses a clutch means to connect a throttle operation means to a driving means under normal acceleration control. The controller allows the driving means to regulate the opening of the throttle valve independen...
09/17/1991
5048485Throttle control method for internal combustion engine
A throttle control method for an internal combustion engine wherein a motor is connected through a clutch mechanism to a throttle valve which is constantly biased toward a closed position by a return spring. The motor is controlled in accordance with an o...
09/17/1991
5048486Ignition circuit with timing control
An ignition apparatus which determines ignition timing corresponding to the running state of an internal combustion engine. Ignition timing is advanced for a period when a choke switch 21 used for improving startability of the engine at a low temperature ...
09/17/1991
5048487Ignition timing control system for internal combustion engine
A system for controlling ignition timing of an internal combustion engine which is capable of securing adequate ignition energy in all engine operation regions including acceleration or high speed engine operation. The retard limit for ignition timing is ...
09/17/1991
5048488Method and apparatus for reducing the residual injection fluid in an injection pump
A method and apparatus reduces the amount of residual injection fluid within an injection pump. When an associated internal combustion engine is shut off, a stop valve in the injection pump is closed and an injection timing mechanism is shifted into an ea...
09/17/1991
5048489Hydraulically operated valve with controlled lift
A hydraulically operated valve with controlled lift, in particular a fuel/gas injection valve for internal combustion engines, has a stop face fixed on the valve stem. For accurate control of the opening of the valve a stop cam is provided, which is drivn...
09/17/1991
5048490Method and apparatus for detection and diagnosis of air-fuel ratio in fuel supply control system of internal combustion engine
In a fuel supply control apparatus constructed so that a fuel supply quantity is feedback-controlled to bring a detected value of an air-fuel ratio of an air-fuel mixture sucked in an engine to a target air-fuel ratio, a disorder of air-fuel ratio-detecti...
09/17/1991
5048491Automobile engine control apparatus
An engine control apparatus for an internal combustion engine has a plurality of groups of cylinders. The engine control apparatus has the same number of independent intake manifolds as there are groups of cylinders, isolating the groups of cylinders. Eac...
09/17/1991
5048492Air/fuel ratio control system and method for fuel vapor purging
A system and method for controlling operation of an engine wherein a fuel vapor recovery system is coupled between an air/fuel intake and a fuel supply system. An air/fuel ratio indication is provided by a proportional plus integral feedback controller co...
09/17/1991
5048493System for internal combustion engine
A system and method for controlling operation of an engine having a fuel vapor recovery system coupled between a fuel supply system and engine air/fuel intake. In response to a two-state exhaust gas oxygen sensor (EGO sensor), a feedback controller genera...
09/17/1991
5048494Air-fuel ratio controller
An air-fuel ratio controller which detects oxygen content of the engine exhaust gases, compares the detected value with an objective oxygen content corresponding to an objective air-fuel ratio and integrates the deviation therebetween, smoothes the integr...
09/17/1991
5048495Electronic engine control method and system for internal combustion engines
An electronic control system for an internal combustion engine includes a plurality of first sensors for measuring a drive action taken in accordance with a driver's intent, a plurality of second sensors for measuring operating conditions of an engine, a ...
09/17/1991
5048496Fuel injection system for engine and method for injecting fuel
A fuel injection system of an internal combustion engine including air introducing passage device extending in one direction for introducing auxiliary air under pressure, annular fuel passage of a disc-like space extending radially outwardly from the air ...
09/17/1991
5048497Fuel injection unit
A number of embodiments of fuel injection systems using air/fuel injection and wherein the fuel is not delivered to the injection unit until after the injection valve is open so that fuel cannot flow back into the pressurized air system. In some embodimen...
09/17/1991
5048498Fuel line conditioning apparatus
A fuel conditioning apparatus for use in improving the fuel efficiency of car engines, heaters, furnaces and the like includes a housing, a cover, affixing means for attaching the housing to the fuel intake line, and conditioning means for magnetically al...
09/17/1991
5048499Fuel treatment device
A fuel treatment device is an elongated element having an outer surface and a central axis extending between first and second ends in the direction of elongation. The element is made of an alloy containing the following metals: copper, zinc, nickel, lead ...
09/17/1991
5048500Internal combustion engine with fuel injectors and heaters
An internal combustion engine of the injector type has self-regulating electrical resistance heating devices of positive temperature coefficient of resistivity arranged in cylinder head air-fuel inlet channels to intercept fuel directed into the channels ...
09/17/1991
5048501Fuel economy system for internal combustion engines
A mechanical process for significantly improving the octane rating performance of gasoline powered engines (either conventional carburetion or fuel injection). An auxiliary system fractionates a precise portion of the required fuel and combines the fracti...
09/17/1991
5048502Capacitive-discharge ignition system with step timing advance
A capacitive-discharge ignition system having a step advance is disclosed. In a preferred embodiment, the ignition thyristor is gated on at low engine speeds by a first control means in response to a primary winding output signal, and is gated on at highe...
09/17/1991
5048503Automatic power interrupting system for vehicular control circuit
An automatic power interrupting system for a vehicular control circuit including a relay switch having a contact connected between a power source and the supply terminal of a control circuit and a relay coil connected with the power source, a control swit...
09/17/1991
5048504Archery support stand
An archery support stand is set forth wherein a table member includes a top surface with arrow securement plates positioned along the top surface of the table member adjacent forward side surfaces thereof with bores positioned for receiving and securing t...
09/17/1991
5048505Cooking and storing apparatus
A portable apparatus that has an outdoor cooking stove mounted on a cooler. The stove is latched to the cooler to provide an assembled cooking unit and cooler for transporting and storing. When the stove is unlatched from the cooler, the stove is inverted...
09/17/1991
5048506Container for heating canned food and can main body used therefor
A container for heating canned food comprising a can main body having a protrusion on the side covered with a safety metal stripe formed integrally with a detachable lid, and a heater casing for receiving the can main body therein and having a lateral eng...
09/17/1991
5048507Endothermic building
With reference to FIG. 3, the sloping roof (250) of a building (10) incorporates inner and outer juxtaposed metal panels, (15, 16) spaced from each other to define passageways (20) which serve as heat exchangers. A closed-loop water circulation system (18...
09/17/1991
5048508Endoscope having sealed shaft
An endoscope having an edoscope shaft, a periscope, optics removably secured to the endoscope shaft and separable from the endoscope shaft and an instrument channel having an apertured cap through which treatment instruments are introduced into the instru...
09/17/1991
5048509Cervical support
A cervical support has an inherently stable support body of elastic foam material, provided with a covering of textile material, the free ends of which body overlap each other at the rear in a nape support region of the cervical support and can be detacha...
09/17/1991
5048510Inflatable penile prosthesis with satellite reservoir
An implantable penile prosthesis comprises a tubular body for implantation in a patient's penis and a fluid reservoir for implantation in a patient's body outside the penis. The tubular body and reservoir are in fluid communication with each other. The tu...
09/17/1991
5048511Method and apparatus for treating impotence
A method for the treatment of impotence in a human male patient includes the steps of (1) selecting a penile vein or a crus of a corpus cavernosum; and (2) implanting in the patient a vascular occlusion device that allows the selective restriction of the ...
09/17/1991
5048512Gastrostomy tube protector and hider
A surgically implanted gastrostomy tube through which the wearer receives part or all of his required nourishment is an unnatural, awkward, inconvenient and damage-vulnerable appendage added to the human body that is approximately 10" to 16" long and 1/4"...
09/17/1991
5048513Bandage consisting of elasticated textile material
A bandage consisting of elastic textile material, e.g. stocking, which is provided with a cushion covered by an overlay consisting of the same or similar textile material and which is secured to the textile material of the bandage by means of a border whi...
09/17/1991
5048514Inhaler for medicaments contained in capsules
A device for the administration of inhalation medicament held in a capsule has a chamber adapted to receive a capsule and provided with an air inlet and an air outlet, capsule piercing elements and a magazine for holding a plurality of capsules. The magaz...
09/17/1991
5048515Respiratory gas supply apparatus and method
A supplemental respiratory gas supply control apparatus and method for providing supplemental gas to an in vivo respiratory system includes a pressure sensor adapted to produce pressure indicative signals indicative of pressures sensed, a gas flow control...
09/17/1991
5048516Respiratory mask
A respiratory mask supplies air to a user from an external air source. The mask includes a face shield which sealingly engages the user's cheeks at the sides. The top of the face shield is open. The bottom is fixed to a pliable air hose having a U-shape, ...
09/17/1991
5048517Recirculating positive-pressure respirator
A respirator for recirculating breathing gases, comprises an expiration bag in which an internal tension spring is provided for compressing the bag, and an inspiration bag which can be connected to a respiration gas source. A CO2 -binding chemi...
09/17/1991
5048518Stoma stent system
A stoma stent system for treating patients after tracheostomy and maintenance of a tracheastomy tract includes a tubular stent for insertion in the trachea and several plug components which may be inserted into the open, free end of the stent for several ...
09/17/1991
5048519Mouthpiece for diving
This invention relates to a mouthpiece for diving which can be attached to a regulator in scuba diving. The mouthpiece comprises a tubular air guide including first and second end portions and a pair of resilient supporting arms elastically provided conti...
09/17/1991
5048520Ultrasonic treatment of animals
To provide ultrasonic treatment of animals, ultrasonic waves in a frequency range of between 15 kilohertz and 100 kilohertz are applied to water in a tub with a power density between 0.1 and 5 watts per square centimeter. The equipment is able to apply ul...
09/17/1991
5048521Method for combined cardiac pacing and defibrillation
A method is disclosed for combined cardiac pacing and defibrillating with an implanted pacer/defibrillator having sensing and pacing leads connected to the atrium and the ventricle. P-waves and R-waves are sensed, and a V-V timer and a V-A timer are reset...
09/17/1991
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