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Document |
Document Title |
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7963380 |
OD wiper
A viscous fan drive having improved pumping efficiency from removing fluid from a fluid operating chamber to a fluid reservoir chamber is achieved by providing a wiper element that is located...
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7954616 |
Fluid friction clutch
A fluid friction clutch with improved fluid pumping system. A scraping member is provided adjacent the clutch plate and has a duct which communicates with the reservoir chamber.
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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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7650974 |
OD wiper
A viscous fan drive having improved pumping efficiency from removing fluid from a fluid operating chamber to a fluid reservoir chamber is achieved by providing a wiper element that is located...
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7621386 |
Viscous fan drive having modified land design and armature venting
A viscous fan drive in which the output drive to the fan is controlled by the movement of viscous fluid from a fluid reservoir and into the operating and working chamber of the coupling during...
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7600623 |
Inclusion of an anti-drain valve in viscous fan clutches
A viscous fluid clutch assembly used in automobiles, SUVs, and trucks minimizes flow back of the cooling fluid from the reservoir towards the working chamber of the clutch when the vehicle is at...
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6935478 |
Fluid friction clutch
A fluid friction clutch, in particular for a motor vehicle fan, having a rotatably mounted shaft wherein a reservoir for at least largely holding the fluid is provided radially inside an outer...
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5855265 |
Low disengage speed fan clutch
A clutch includes an input element with an engaged input shaft and clutch plate rotatable in concert. The clutch plate has an annular portion with a clutch plate set of lands and grooves mating...
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5853074 |
Viscous fluid coupling
A viscous fluid coupling which includes an input member having a rotatable shaft and a rotor secured to the shaft is disclosed. The viscous fluid coupling further comprises an output member...
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5816376 |
Fluid clutch
A fluid clutch which is structurally simplified to lower its cost and enabled to stabilize its action by optimizing the arrangement of an electromagnetic valve and to have a long lifetime by...
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5803221 |
Viscous fluid clutch
A viscous fluid clutch includes a housing rotatably mounted to a drive shaft and a clutch plate attached to the drive shaft. These relatively rotatable members have a fluid shear space therebetween...
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5775115 |
Climate control device with a cooling compressor and viscous coupling
A climate control device for a cooling compressor operated by a driving means. The climate control device including a control device for operating the cooling compressor at a compressor speed...
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5593013 |
Fluid coupling for an engine
A fluid coupling for an engine includes a shaft, a housing rotatably supported on the shaft, a cover fixed to the housing, a separation plate which separates a chamber defined by the housing and...
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5575368 |
Fluid clutch
A fluid clutch comprising a driving section, a rotational shaft rotated by the driving section, a driving disk driven rotationally by the rotational shaft, a casing containing the disk and...
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5575369 |
Fan clutch construction and method of making the same
A fan clutch construction and method of making the same are provided, the fan clutch construction comprising a drive plate rotatably mounted in a chamber of a housing and a scoop plate disposed in...
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5257686 |
Viscous fluid coupling device
A viscous fluid coupling device is comprised of (1) an input member, (2) a rotor secured to the input member, (3) an output member having therein an inner space and mounted rotatably on the input...
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5237965 |
Fluid coupling for a cooling fan of an internal combustion engine
A fluid coupling of a cooling fan is for an internal combustion engine in an automotive vehicle and comprises labyrinth grooves defined by circular projections formed on a drive disc and a driven...
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5232074 |
Temperature sensitive fluid coupling
A fan coupling device controls the transfer of torque from a rotating shaft to a closed housing having an oil basin chamber and a torque transfer chamber by varying the effective contact area of...
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5139125 |
Temperature sensitive type fluid fan coupling apparatus
Herein disclosed is a temperature sensitive fluid type fan coupling apparatus which comprises: a sealed container including a casing and a cover, a partition dividing the inside of the sealed...
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5119921 |
Baffle wall for a cover of a viscous fluid clutch and method
A viscous fluid clutch includes an internally-mounted pump plate for separating a working chamber from a reservoir. Discharge ports in the pump plate permit fluid flow from the reservoir to the...
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5113987 |
Fluid return channels for a cover of a viscous fluid clutch
A viscous fluid clutch includes an internally-mounted pump plate for separating a working chamber from a reservoir. Fill openings in the pump plate permit fluid flow from the reservoir to the...
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5111923 |
Ramped clutch plate for a viscous fluid clutch
A viscous fluid clutch includes a clutch plate rotatably driven by an input shaft. The clutch plate includes a plurality of concentric, annular lands and grooves in a rear face which are mated with...
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5101950 |
Fluid coupling device with improved dump time
A fluid coupling device is provided of the type including a housing member (15) and a cover member (17), and a valve plate (31) disposed therebetween to define a fluid operating chamber (33) and a...
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5070981 |
Fluid coupling
A fluid coupling includes a valve unit for reducing working fluid introduced into a labyrinth-groove to adjust a ratio of a rotation speed of a cooling fan to that of an internal combustion engine,...
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5060774 |
Temperature-controlled fan fluid coupling
There is disclosed a temperature-controlled fan fluid coupling which supplies cooling air to the engine of an automobile according to the operating conditions at all times. The coupling includes a...
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5022507 |
Anti-flowback check valve for a viscous fluid clutch
A viscous fluid fan clutch assembly for a vehicle includes an internally-mounted pump plate for separating a working chamber from a reservoir. A plurality of discharge orifices are provided in the...
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4979601 |
Viscous fluid coupling with reduced scatter
A viscous fluid coupling has a rotor including peripheral teeth with distal ends closely facing an inside surface of an output member. The distal ends of the teeth form flat surfaces parallel with...
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4977990 |
Free floating dam for a fluid shear coupling apparatus
A fluid shear coupling comprises a driving member having a disc-shaped portion and a driven member defining a working chamber in which the driving member is received, the two members being mounted...
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4974713 |
Fluid friction clutch
Normally, fluid friction clutch having cup disks, in order to permit the circulating of clutch fluid in the relatively small cylindrical ring gap between the housing and the cup disk, must be...
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4967889 |
Fluid friction clutch
The fluid friction clutch has a clutch cover mounted rotatably in relation to a rotatingly driven input shaft, which cover is divided by a partition into a reservoir for shear fluid and a working...
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4958709 |
Integrally formed wiper and orifice for a pump plate of a viscous fluid clutch
A fan clutch assembly for a vehicle includes a rotatable pump plate for separating a collecting chamber and a pumping chamber from a reservoir. The pump plate includes at least one wiper integrally...
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4940121 |
Fluid friction clutch
Fluid friction clutches tend to operate discontinuously when the performance requirement is low and therefore the filling ratio in the working chamber is also low. This so-called "surging" is to be...
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4938328 |
Floating wiper for a pump plate of a viscous fluid clutch
A floating wiper assembly mounted on a pump plate of a viscous fluid clutch includes a spring secured at its first end to a pump plate. A wiper formed from a low-friction material is secured to a...
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4938329 |
Snap-in-place wiper for a viscous fluid clutch
A fan clutch assembly for a vehicle includes a pump plate for separating a collecting chamber and a receiving chamber from a reservoir. The pump plate includes an orifice for permitting the passage...
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4924985 |
Dual face wiper for a viscous fluid clutch
A fan clutch assembly for a vehicle includes a pump plate for separating a collecting chamber and a receiving chamber from a reservoir. The pump plate includes a plurality of orifices for...
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4924984 |
Quick pump-out clutch plate for a viscous fluid clutch
A fan clutch assembly for a vehicle includes a clutch plate rotatably driven by an input shaft. The clutch plate includes a plurality of concentric, annular lands and grooves which are mated with...
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4924987 |
Pump plate assembly for a viscous fluid clutch
A fan clutch assembly for a vehicle includes a pump plate assembly for separating a receiving chamber from a reservoir, wherein the receiving chamber receives fluid from a shear zone. The pump...
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4919247 |
Thermosensitive fluidized fan coupling device
A fluidized fan coupling device is provided to substantially eliminate accompanying rotation followed engine start up. The device includes a sealed housing with a partition plate dividing the...
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4913273 |
Fluid shear coupling apparatus having a modulating valve with a movable aperture
A fluid shear coupling apparatus including a driving member comprising a rotor mounted to a shaft. A driven member including a bearing housing is mounted to the shaft. A complementary surface...
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4909368 |
Fluid coupling apparatus
A fluid coupling apparatus has a three stage control for torque transmission. The apparatus has two slots, of which one slot is opened when the temperature reaches a first set temperature. The...
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4907682 |
Viscous fluid coupling device
A viscous fluid coupling device especially is used for driving the cooling fan of engines and for controlling the rotation speed of the fan smoothly according to the temperature. The smooth change...
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4903805 |
Temperature-controlled fan fluid coupling
A fan fluid coupling for controlling the rotational speed of a fan that cools an automobile engine. The coupling comprises an enclosed housing, a partition plate that divides the inside of the...
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4850465 |
Temperature-sensitive fluid type fan coupling apparatus
A temperature-sensitive fan-coupling apparatus is provided with a driving side and a driven side. The driving side comprises a tightly sealed housing. The driven side comprises a rotary member from...
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4796571 |
Thermal response type fluid fan coupling device
A thermal response type fluid fan coupling device which is constituted by a sealed chamber which is divided into an oil accumulating chamber and a torque transmission chamber, and which...
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4741421 |
Viscous clutch for engine cooling fan with improved fluid flow path control and feed to shear zone
A viscous fan clutch having clutch and pump plates with interleaved lands to form the shear zone featuring an annular blocker ring and axial fluid feed passages radially inward of the blocker ring...
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4702360 |
Viscous fluid coupling
A viscous fluid coupling especially used for driving the cooling fan of engines, changing the rotation speed of the fan smoothly according to the temperature. The smooth change of the rotation...
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4682679 |
Viscous drive with variable pump action
A viscous fluid transmission including a rotary casing adapted to receve a viscous fluid and a rotary element within the casing. The casing and the rotary element are connected respectively to two...
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4667792 |
Fluid friction clutch
Disclosed is a fluid friction clutch having front and rear working gaps, which are connected to one another in a manner which provides more continuous and uniform distribution of the...
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4653625 |
Fluid friction clutch
The temperature-controlled fluid friction clutch, suitable especially for a cooling fan, comprises a rotor which is arranged in a housing, rotatably in relation to the housing, forming at least one...
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4633988 |
Fluid coupling device with improved modulation capability
An improved fluid coupling device is disclosed of the type including modulating valving. The coupling device includes an input coupling member (11) and an output coupling member (13) which...
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