At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Glow plug having a combustion pressure sensor
A gas tight and simplified glow plug includes a combustion pressure sensor. The plug main body includes a cylindrical housing to be mounted in an engine head...
Exhaust emission control system for internal combustion engine
An upstream catalyst and a downstream catalyst are disposed in series in an exhaust pipe, and first through third sensors for detecting the air-fuel ratio or an...
Semiconductor apparatus with heat radiation structure for removing heat
from semiconductor element
A semiconductor element, and a pair of insulation substrates sandwiching the semiconductor element therebetween forms a substrate unit. The substrate unit is...
Semiconductor device and method of manufacturing the same including an
A semiconductor device having an offset-gate structure, which can achieve a release of an electric field concentration and a lowering a transistor resistance at...
Ceramic laminate body of a gas sensor
A first ceramic sheet and a second ceramic sheet are bonded via an adhesive layer so as to form a closed hollow space between them. A tapered portion with a...
Combustor with non-combustion air introduction
In a combustor for supplying combustion heat to a heater core and an intake side of an engine, when the engine is started, combustion gas is supplied to an...
Fuel injection control system for internal combustion engine
A required injection time tau is calculated at intervals of 60.degree. CA, and an injection start timing is determined according to the required injection time...
Accumulator fuel injection apparatus for internal combustion engines
A pressure limiter is connected fluid-tight between a common rail having an accumulator for storing high-pressure fuel delivered from a high-pressure fuel feed...
Voltage control apparatus for vehicle AC generator
In a regulator (voltage control apparatus), an IC chip is adhered to the surface of a first metal plate. A lead wire connects the IC chip with an outside...
Semiconductor substrate and method of manufacturing the same
Before a semiconductor substrate and a base substrate is directly bonded to one another, in a protective film removing step, a contamination protective film...
Porous materials and methods for forming the same
Porous materials having a metal oxide skeleton are taught that have various water vapor adsorption capacities defined by the amount of adsorbed water vapor at a...
Brake apparatus for vehicle
In a vehicle brake apparatus for executing ABS control to prevent a wheel from locking in such a manner that braking force is controlled so as to keep a slip...
A valve device including a main body formed with a passage for allowing a refrigerant to flow therethrough; and a valve member provided in the passage. The main...
Valve timing adjusting device for internal combustion engine
It is an object to provide a continuously variable valve timing adjusting device to improve valve timing advance response for an internal combustion engine. The...
Audio positioning mechanism for a display
An audio positioning mechanism for a display assigning each position on the display with an audio signal that allows a user to identify positions on the display...
An operational amplifier includes a differential amplification circuit, a voltage amplification circuit, a capacitor, and a bias setting circuit. The...
DC power supply with output voltage detection and control
A series circuit including a capacitor and a resistor for detecting variation of the output voltage of dc power supply is further provided. During startup, a...
Alternator for vehicles
An alternator is provided having a pulley mounted on a rotating shaft of a rotor through a one-way clutch which transmits a driving power to the rotor during...
Discharge-lamp drive apparatus
An apparatus for driving a discharge lamp includes a piezoelectric transformer connected to the discharge lamp. A drive device operates for feeding controllable...
AC generator for vehicle
An axial length of an iron core of a stator is set larger than an axial length of a cylindrical part on which a field coils are wound. An axial thickness of a...
Reciprocating plunger pump with seal mounting support
A high pressure fuel pump has a plunger that extends through a cylinder and is reciprocally located in a pressurizing chamber. The plunger is reciprocated by a...
Motor drive-control device
A motor drive-control device drive-controls a plurality of auxiliary devices with a single motor while securing a necessary capacity of the auxiliary devices...
Cooling apparatus for liquid-cooled internal combustion engine
Cooling water is circulated at small flow rate of 1 to 5 L/min between a bypass passage and an engine without circulating the cooling water in an oil cooler...
A refrigeration system which can reduce the amount of moisture permeating into the system, inexpensively and by a simple structure, is disclosed. Rubber hoses...
When the first pressure reducing device 161 is fixed to the accumulator tank 140 and the internal heat exchanger 150 is housed in the accumulator tank 140, the...
Air-fuel ratio control apparatus having sub-feedback control
Exhaust gas sensors are provided at the upstream side and the downstream side of a catalyst, respectively. An intermediate target value is set on the basis of...
Method and apparatus for manufacturing AC-generator's stator for vehicle
The object of the present invention is to provide a method and an apparatus for manufacturing a stator to improve accuracy in inserting conductor segments (3,...
Signal processing apparatus
A capacity(ies) of a variable capacitor(s) varies with a physical amount. A C-V conversion circuit converts variation in the capacity into a voltage signal....
Rotary electric machine with stacked brush
A rotary electric machine includes a stacked brush, where low-resistance and high-resistance brush layers are disposed at the front and rear end sides in the...
Cooling arrangement of vehicle rotary electric machine
A vehicle rotary electric machine includes a rotor having a plurality of claw-shaped pole pieces, a cooling fan, a stator core, a stator winding and a frame. A...
Organic EL element for multi-color emission
An organic EL element includes a luminescent layer containing an organic compound and sandwiched between an anode and a cathode. The luminescent layer is...
Heater-equipped air-fuel ratio sensor
A heater is inserted into an inside chamber of a sensor element until a tip end of the heater is surely brought into contact with a bottom surface of the inside...
Connecting method and connecting structure of printed circuit boards
Lands formed on a flexible printed circuit board are electrically connected with lands formed on a rigid printed circuit board through solder. At this point,...
Cooling apparatus boiling and condensing refrigerant
A cooling apparatus includes a refrigerant tank having a surface to which heating devices are attached and containing liquid refrigerant which is boiled and...
Electromagnetic valve for ORVR system
A valve member includes a first communication passage for allowing a first passage to communicate with a first pressure chamber. When a pressure-receiving member...
A valve body of a spill valve is constructed of steel having a martensitic structure and a needle constructed of steel in which hard particles are dispersed in a...
Freezing cycle apparatus
In a freezing cycle apparatus that switches between a cooling mode and a heating mode, wherein a low-pressure refrigerant is evaporated in an evaporator 18 for...
Stick-type ignition coil having improved structure against crack or
A stick-type ignition coil have a central core, a cylindrical member, primary spool, primary coil, secondary spool, secondary coil, outer core and a resin...
Plane commutator and method of manufacturing the same
A plane commutator includes a plurality of commutator segments made of carbon compound, a resinous boss member having a body portion supporting a base portion of...
Semiconductor memory device and method of manufacturing the same
A gate oxide film is formed on a surface of a semiconductor substrate. A tunnel insulating film having a thickness smaller than that of the gate insulating film...
Semiconductor device having trench filled up with gate electrode
In a semiconductor device, a p-type base region is provided in an n.sup.- -type substrate to extend from a principal surface of the substrate in a perpendicular...
Method for manufacturing semiconductor device having element isolation
When a semiconductor device having an element isolation structure is formed, first, a trench is formed in a wafer from a principal surface of the wafer, and the...
Method for adjusting output characteristics of a gas sensing element based
on application of electric power to...
Each gas sensing element, with a measured gas sensing electrode and a reference gas sensing electrode provided on opposite surfaces of a solid electrolytic body,...
Bearing made of graphite-dispersed copper-based sintered alloy and
motorized fuel pump using this bearing
A bearing for motorized fuel pumps comprising a graphite-dispersed copper-based sintered alloy which contains 10 to 25% by weight of Zn, 10 to 25% by weight of...
Air passage switching door
In an air passage switching door, a packing material having a size approximately corresponding to a plate surface of a door base member is used, and the door...
Heat exchanger made of an aluminum alloy
There is disclosed a heat exchanger made of an aluminum alloy having a radiator part (10) and an oil cooler part (11) in combination and manufactured integrally...
Double heat exchanger with condenser and radiator
In a double heat exchanger with a condenser and a radiator, a flexible portion formed into a wave shape to be flexible is provided in a side plate at least at...
Oil supplying apparatus and method of controlling the same
An engine output shaft drives an engine driven pump. The engine driven pump pressurizes oil. An accumulator accumulates the pressurized oil. An electric motor...
Spark plug for internal combustion engines and manufacturing method thereof
In a spark plug, an earth electrode (40) has a cladding member (43) made of a Ni-based alloy, a first core member (44) made of pure Cu and contained in the...
In-band audio signaling
The vocoder in a digital cellular phone is used to create a status message indicating something that is happening in the cellular phone. That message can be...