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7937785 |
Pumped shower draining device
A pumped shower draining device for a shower installation, comprises a housing having a waste water inlet and a waste water outlet, a pump element provided within the housing, a pump driving device...
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7913825 |
Electronically controlled fluid coupling device with fluid scavenge control and slip speed sensor
A viscous fan drive with a front-mounted fan and electrical actuation without a tethered harness. The mechanical package includes an inverted viscous clutch, a drive pulley and a split...
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7913826 |
Electronically controlled fluid coupling device with fluid scavenge control and check valve
A viscous fan drive with a front-mounted fan and electrical actuation without a tethered harness. The mechanical package includes an inverted viscous clutch, a drive pulley, a split electromagnetic...
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7708127 |
Fluid model control of electro-viscous fan clutch
Accordingly, a control system for controlling a viscous clutch of a fan is provided. The control system includes a delta speed module that determines one of an over speed condition, an under speed...
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6942083 |
Viscous fan clutch actuated by a heating element and ambient air
A fan apparatus is disclosed which includes a fan coupled to a drive mechanism via a viscous clutch. The viscous clutch includes a drive chamber containing a hydraulic fluid with an amount of...
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6648115 |
Method for slip power management of a controllable viscous fan drive
A method is disclosed for controlling the slip power of a viscous fluid fan drive clutch, especially of a cooling fan drive for an automotive vehicle. Data is prepared correlating slip power...
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6408225 |
Device and method for balancing the weight on a robot arm
The invention relates to a device for balancing the weight carried by a robot arm of a robot. Said device comprises a fluid spring, rotably a pneumatic spring, and a control device for controlling...
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6079536 |
Rotational speed control arrangement for a fluid friction coupling
An arrangement for controlling the rotational speed of an output rotational part of a fluid friction coupling is provided. A fan for cooling components of a motor vehicle is coupled with a driving...
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5839558 |
Viscous fan clutch with engage port lock
A clutch includes an input shaft with a clutch plate engaged with the input shaft to rotate in concert therewith. The clutch plate has an annular disk portion with a clutch plate set of lands and...
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5799765 |
Fluid clutch
A fluid clutch comprises a driving disc rotationally driven by a driving section, a rotatable casing enhousing the driving disc, a blower attached to the casing, and an oil supply means for...
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5584371 |
Viscous fan drive system logic
A method of controlling a viscous fluid coupling (15) in which, when the vehicle engine (E) is operating at low speeds, if the speed of rotation (SF) of the fan exceeds a predetermined speed limit...
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5109965 |
Temperature sensitive hydraulic fan coupling
The present invention provides an improvement in the structure of a temperature sensitive hydraulic fan coupling for supplying a suitable amount of cooling air to the automobile engine according to...
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5090533 |
Temperature-sensing type fluid fan coupling device
Disclosed is a temperature-sensing type fluid fan coupling device including: a rotary shaft; a sealing enclosure box having a casing and a cover fitted with a cooling fan; a partition plate...
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5030865 |
Self powered remote viscous fluid coupling
A viscous clutch (10) is typically employed in a fan drive mechanism within a truck or automobile. A shaft (18), driven by the engine (12), rotates a clutch member (42) within the fan drive. The...
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5025906 |
Remote sensing viscous fluid coupling
A viscous clutch (10) is typically employed in a fan drive mechanism within a truck or automobile. A shaft (18), driven by the engine (12), rotates a clutch member (42) within the fan drive. The...
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4909367 |
Automatic thermal and speed controls for viscous fluid clutches
A viscous fluid clutch for driving a cooling fan 18 from the crankshaft of an internal combustion engine includes an outer rotary casing 11, 12 connected to the fan and an inner rotary member 10...
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4874072 |
Viscous fan drive control with integrated speed sensor
A viscous fan clutch (10) is typically employed in a fan drive mechanism within a truck or automobile. A shaft (18), driven by the engine (12), rotates a clutch member (42) within the fan drive....
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4846331 |
Valve member of temperature sensitive fluid fan coupling
A valve member of a temperature sensitive fluid fan coupling for an engine cooling fan is formed from a plate material having a weight provided at its free end. The modulus of section of the...
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4846325 |
Friction brake for variable speed viscous fan control
A viscous fan clutch (10) is typically employed in a fan drive mechanism within a truck or automobile. A shaft (18), driven by the engine (12), rotates a clutch member (42) within the fan drive....
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4828088 |
Closed loop pulse modulated viscous fan control
A viscous fan clutch (10) is typically employed in a fan drive mechanism within in a truck or or automobile. A shaft (18), driven by the engine (12), rotates a clutch member (42) within the fan...
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4650045 |
Method and apparatus for controlling the output speed of a fluid friction clutch
Disclosed is a method and apparatus for controlling the output speed of a fluid friction clutch. The fluid friction clutch comprises a work chamber, in which a drive disk rotates, and a reservoir....
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4573559 |
Subway electric motor and fan construction
An electric motor construction particularly for subway train electric motors which utilize fan induced air cooling to cool the motor windings. The invention exhibits utility in saving power to...
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4570771 |
Viscous fluid coupling having centrifugal valve means
The viscous fluid coupling is comprised of a drive shaft having a hollow casing rotatably mounted thereon with one end of the drive shaft extending into the hollow casing. The interior of the...
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4544053 |
Temperature-responsive fluid coupling device
A temperature-responsive fluid coupling device for driving a cooling fan of an internal combustion engine includes a ball check valve mechanism which is installed in a fluid return passage and a...
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4441598 |
Modulated viscous fan drive
A shear fluid, temperature responsive fan drive coupling for the radiator cooling fan of an internal combustion engine. The drive coupling, conventionally, carries a temperature responsive valve...
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4437554 |
Fluid shear coupling apparatus
A fluid shear coupling apparatus is disclosed herein which includes a driving member received within a working chamber defined by a driven member. The driven member is mounted with needle bearings...
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4228880 |
Pulse control of an electro magnetically actuated viscous fluid coupling
A viscous fluid coupling employing an electro magnet which receives electrical pulses in response to a signal received from a heat sensing device to operate a valve arm to seal and unseal an inlet...
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3983980 |
Fluid shear-friction coupling
A rotating fluid shear friction coupling with at least one shear friction gap formed by a wall rotating along with the input side and by a wall rotating along with the output side, and with two...
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3943893 |
Fluid coupling for an internal combustion engine
A coupling assembly for operatively connecting an output shaft of an internal combustion engine to a member associated with the engine such as a cooling fan, in which a rotor is fixed to the output...
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3924716 |
Viscous fluid clutch with centrifugal clutch
A clutch including conventional viscous fluid shear drive means and a centrifugal clutch operable between the housing and enclosed clutch plate to maintain a substantially nonslip drive...
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3893555 |
Rotary fans
A variable speed thermostatically controlled cooling fan for an internal combustion motor, especially for an automobile. Within the fan hub is incorporated a viscous slipping clutch including an...
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3840101 |
TEMPERATURE AND SPEED RESPONSIVE FLUID COUPLING
A fluid friction coupling, especially for the fan drive of internal combustion engines in which at least one working space provided with a working gap is arranged between the driving and driven...
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3458020 |
HYDRAULIC FRICTION CLUTCH
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3262528 |
Variable fluid torque coupling
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3217849 |
Speed and temperature controlled coupling device
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3191733 |
Torque transmitting fluid coupling
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3144922 |
Temperature and speed responsive fluid coupling
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3059745 |
Temperature and speed sensitive drive
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