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Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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Class 257/E25.025 - Mixed assemblies (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E25.024. This subclass
No. of patents: 70
Last issue date: 08/14/2007


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NumberTitleIssue Date
7256431Insulating substrate and semiconductor device having a thermally sprayed circuit pattern
An insulating substrate includes a metal base as a base member, an insulating layer which is a room temperature, aerosol deposited shock solidification film formed on the metal base, and a circuit pattern which is a cold sprayed thermal spray coating formed on the i...
08/14/2007
6452261Flat semiconductor device and power converter employing the same
Control electrode wirings which are led out from control electrodes over a number of chips built in a flat package and insulating members which are provided in order to insulate the control electrode wirings from main electrode wirings are also given func...
09/17/2002
6384492Power semiconductor packaging
Power output switching circuit for use in high current and high frequency applications. The output circuit provides a series of geometrically symmetric, parallel spaced semiconductor converters arranged such that the voltage for each semiconductor output ...
05/07/2002
6160326Power semiconductor packaging
Power output switching circuit for use in high current and high frequency applications. The output circuit provides a series of geometrically symmetric, parallel spaced semiconductor converters arranged such that the voltage for each semiconductor output ...
12/12/2000
6002183Power semiconductor packaging
Power output switching circuit for use in high current and high frequency applications. The output circuit provides a series of geometrically symmetric, parallel spaced semiconductor converters arranged such that the voltage for each semiconductor output ...
12/14/1999
5991184Vehicular extended thermal cycle minimal part robust rectifier assembly
A rectifier includes a first electrically conductive cooling member having a first surface for direct contact mounting. A second surface has a first set of diode mounting locations. A diode is mounted within each diode mounting location of the first set a...
11/23/1999
5982062Alternator including adaptors for rectifier bridge diodes, in particular for a motor vehicle, and an adaptor for such an alternator
The invention provides an alternator for motor vehicles, in particular having a dissipator with one or more orifices designed to receive one or more press-fit diodes. An adaptor generally in the form of a disk has an outline enabling it to be engaged as a...
11/09/1999
5892676Rectifier bridges assembly having improved heat dispersing characteristics and an arcing-free design
A rectifier bridges assembly for use with an automotive alternator includes a base plate conductively mounted to a ground and providing a negative heat sink, and an overlying finned positive heat sink structure having a surface area at least twice that of...
04/06/1999
5866963Bridge rectifier with insulating support having expandable legs
A bridge rectifier for an alternator comprises a first heat sink for being secured to a frame of an alternator; a second heat sink disposed on top of the first heat sink; an electrical insulator disposed between the first and second heat sinks; a first gr...
02/02/1999
5848083Expansion-matched high-thermal-conductivity stress-relieved mounting modules
A mounting module (submount) for a high-power heat-dissipating element comprises a mounting plate thermal-expansion-matched to the element, a high-thermal-conductivity bulk layer having stress-relief apertures, and an auxiliary plate bonded to the bulk la...
12/08/1998
5838544Heat dissipating structure for rectifiers of car alternators
A heat dissipating structure for rectifiers of car alternators includes an upper cover, a rectifier assembly disposed under the upper cover, and a heat dissipating plate disposed below the rectifier assembly. The rectifier assembly is comprised of a plura...
11/17/1998
5796196Adaptable rotating rectifier and suppression resistor assembly for two-pole, wound rotor of dynamoelectric machine
An adaptable rotating rectifier and suppression resistor assembly is designed to fit and mate with state-of-the-art, two-pole generators with maximum flexibility to accept a variety of known possible diode configurations and a relatively large suppression...
08/18/1998
5777407Alternator for vehicle
A rectifying unit is disposed axially adjacent to a rear cooling fan. The rectifying unit has a plus-pole heat dissipating fin and a minus-pole heat dissipating fin integrally connected by a terminal plate. The plus-pole heat dissipating fin has an elonga...
07/07/1998
5751088Alternator for vehicle
In an alternator, a brush holder holds a pair of brushes which abut slip rings perpendicularly. The brush holder is disposed within an inner periphery of a cooling fan so that the brush holder overlaps with the cooling fan in the axial direction by approx...
05/12/1998
5737210Bridge rectifier configuration and mounting for supplying exciter current in an AC generator
A rectifier module assembly for a conventional three phase AC generator is formed into two crescent shaped rectifier modules so that the rectifier assembly can be mounted directly to the housing of the exciter rotor. The positive and negative rectifier mo...
04/07/1998
5712517Epoxy insulator coating on an alternator heat sink
A resinous coating applied to the heat sink portion of an alternator housing provides a low cost method for insulating a portion of the rectifier assembly from the housing and for insulating the stator winding lead wires that are routed through coated hea...
01/27/1998
5691892Rectifier arrangement for a three-phase generator
A rectifier arrangement for a three-phase generator having at least one power diode allocated to each half-wave of each phase and a cooling arrangement for the power diodes. The power diodes may be designed as diode chips and be arranged between two diame...
11/25/1997
5677616Rectifying and voltage regulating unit of AC generator and method of making the same
In a rectifying and voltage regulating unit of an AC generator, an AC input terminal, a DC output terminal, and an insulating member holding the respective terminals are commonly used by a rectifier and a voltage regulator so that a terminal block of the ...
10/14/1997
5659212Rectifier assembly for automotive alternator
A poly-phase rectifier assembly for an alternating current generator includes five heat sinks, three of which are compression spring-loaded to form series electrical circuits to the poly-phase stator windings. The other two sinks are separated by a crush-...
08/19/1997
5652471Rectifier arrangement, especially for a three-phase generator for a motor vehicle
The rectifier arrangement, preferably for a three-phase generator for a motor vehicle, has at least one power diode of positive polarity and at least one power diode of negative polarity assigned to respective half waves of each phase of the three-phase c...
07/29/1997
5646838Bridge rectifier for diode-rectified alternating current generator
An improved bridge rectifier for an alternating current generator includes a first heat sink, an insulating layer disposed on the first heat sink, and a second heat sink disposed on the insulating layer. The second heat sink includes at least one of the f...
07/08/1997
5637918Semiconductor stack
A semiconductor stack including a base member and a semiconductor assembly member provided on the base member. The semiconductor assembly member includes a switching element having a first, a second and a third terminal, mounted on a surface of the base m...
06/10/1997
5617293Bridge module
A bridge module includes at least two bridge branches. At least two respective controllable semiconductor switches are provided for each of the bridge branches. Electrically insulating and thermally conductive substrates have conductor tracks and are conn...
04/01/1997
5473208Cooling structure for alternator rectifier
Briefly, the invention comprises an improved cooling fin arrangement for a triphasic bridge rectifier used in conjunction with a three phase alternator in an automotive vehicle. The heat transfer ability of a metallic air core heat sink and radiator is mo...
12/05/1995
5451823Vehicular thermoconductive lead frame rectifier assembly
A bridge rectifier assembly includes: a self aligning cloverleaf shaped diode header which sandwiches each diode chip; a semi-circular heat and electrically conductive plate accommodated with receptacles to position the cloverleaf diodes; a heat and non-e...
09/19/1995
5371651Power semiconductor valve device for outdoor location
A power semiconductor valve device including an enclosure for semiconductor components and a hollow insulating body to supply power to the semiconductor components from a remote location, in which the hollow insulating body is formed from a non-ceramic ma...
12/06/1994
5302856Semiconductor rectifying device and full-wave rectifier fabricated using the same
A semiconductor rectifying device, suitable for installation in vehicles, comprises a cup-shaped metallic container, a semiconductor chip having a pn junction, one of whose main surfaces is bonded to the bottom surface of the container, a lead bonded to t...
04/12/1994
5166564Rotating rectifier assembly
The problem of assembling and maintaining good electrical contact in a rotating rectifier assembly (40) is solved using brazed connections. The rectifier assembly (40) includes a cylindrical housing (44) receiving a pair of coaxial copper plates (50,52) w...
11/24/1992
5164624Modular power semiconductor assembly for an alternator-fed DC power source
A power semiconductor bridge assembly for an alternator-fed DC power source, including positive and negative parallel spaced DC bus bars and a plurality of disk device phase modules disposed therebetween for interconnecting the bus bars with the alternato...
11/17/1992
5138210Rotatable rectifier assembly
The assembly includes a plurality of diodes spaced circumferentially about the axis of rotation of the assembly, two spaced apart outer diode mounting members and a plurality of radially inner diode mounting elements. A spacer member is provided which loc...
08/11/1992
5119286Modular circuit board
Prior power converters have utilized discrete components mounted on circuit boards of differing designs. Failure of one or more of the components requires testing each component to determine which is faulty. The faulty component must then be replaced. Thi...
06/02/1992
5103289Dual sip package structures
A dual SIP package for encapsulating a plurality of semiconductor die includes a first group of elongated metal leads each having first and second end portions, and a first group of enlarged metal pads each attached to the first end portion of one of the ...
04/07/1992
5065484Rotating rectifier assembly
A rotating rectifier assembly which can be used in a brushless electrical generator comprises an arrangement for supporting diode semiconductor devices in an axially loaded assembly of components within a housing of the rectifier assembly without compress...
11/19/1991
5057991Structure of bridge rectifier
A bridge rectifier, comprising a first pair of silicon chips connected between a first outer lead and two inner leads, a second pair of silicon chips connected between said two inner leads and a second outer lead, and a pair of conductive blocks connected...
10/15/1991
5034803Compression bonded semiconductor device having a plurality of stacked hermetically sealed circuit assemblies
A hermetically sealed circuit assembly having circuit elements to be compression bonded and a stack containing at least one hermetically sealed circuit assembly having circuit elements which are compression bonded is disclosed. Uniform thickness of indivi...
07/23/1991
5003209Reduced length rotating rectifier assembly
The disclosed rotating rectifier assembly (12) has a reduced axial length thereby achieving the goal of reducing the overall axial length of a brushless generator (10) which includes a rectifier assembly disposed along its axis (26) for developing DC outp...
03/26/1991
5001376Rotating rectifier assembly
The problem of assembling and maintaining good electrical contact in a rotating rectifier assembly (40) is solved using deformable connectors (66). The rectifier assembly (40) includes three planar disks (48) which are linearly aligned and spaced along an...
03/19/1991
4987328Rotating rectifier in brazed assembly
The problem of assembling and maintaining good electrical contact in a rotating rectifier assembly (40) is solved using brazed connections. The rectifier assembly (40) includes three planar, tear-shaped copper phase plates (62) which are equally angularly...
01/22/1991
4985752Hermetically sealed compression bonded circuit assembly having a suspension for compression bonded semiconductor elements
A harmetically sealed circuit assembly (10) containing a plurality of circuit elements (74, 76 and 80) which are to be compression bonded upon application of a force through opposed first and second walls (12, 20) of a hermetically sealed chamber containi...
01/15/1991
4975825Stacked power converter
A power converter comprises a plurality of modular circuit boards assembled in a stacked relationship. The circuit boards include heat exchangers which are interconnected and cooling fluid is provided thereto to remove heat generated by high power devices...
12/04/1990
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