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7597598 |
Propeller for a marine propulsion system
A marine propulsion system comprising a push rod activated pins (170) which engage eccentric shaft (174) for unlocking a propeller base (190) so the base (190) can rotate around a transverse axis....
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7341545 |
Torque releasing mechanism for fitness training equipment
Steel cables on fitness equipment, through repeated use, will build up undesired torque, due to irregular and unpredictable turns and spins. Such accumulated and undesired torque has a tendency to...
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7326032 |
Cooling fan with adjustable tip clearance
A cooling fan comprising a fan housing and a plurality of blades rotatably disposed within a conduit through the fan housing. Each of the plurality of blades extends radially outward from a hub to...
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6364612 |
Ceiling fan structure
A ceiling fan structure including a housing, a motor casing, a fixing disc and multiple vanes. A motor is installed in the housing and enclosed in the motor casing. The motor casing is formed with...
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5366343 |
Self-adjusting torque-responsive variable-pitch boat propeller
A self-adjusting variable-pitch propeller has a drive shaft rotatable about a shaft axis in a predetermined forward rotational sense, a hub carried on the drive shaft and limitedly rotatable...
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5152676 |
Aspirator fan
An aspirator fan is disclosed, which comprises a rotating shaft press-fitted in an impeller, a support member having an urging means and receiving one end of the rotating shaft for supporting the...
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4752183 |
Water pump
A water pump having a pump impeller and a cup-like disk disposed to be movable along a rotation shaft driven by the engine, a space for passing water being formed between the pump impeller and the...
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4575310 |
Propeller shock absorber for marine propulsion device
Several embodiments of coupling arrangements for resiliently coupling a propeller to a driving shaft. In each embodiment, a first resilient means provides a resilient coupling for absorbing...
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4443155 |
Wind rotor thrust-actuated brake
A new type of overspeed control system for a rotor driven by wind or some other fluid flow. The rotor support is mounted so that it can move back some small distance along the direction of the...
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4426586 |
Drag responsive regulated voltage power generation
Means are provided for the generation of electricity from moving fluids. More particularly, generators of the type adapted for extraction of power from moving fluids comprising blade means mounted...
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4405998 |
Domestic mixer
A mixer arranged for crushing food materials immersed in a liquid comprises a motor unit and a mixing foot. A shaft extends within the mixing foot and is coupled at one end to the motor unit. At...
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4381901 |
Anti-cavitation marine propeller
A marine propeller system comprising three individual elements, two of which are propellers mounted on a common shaft driven by a prime mover and the third being a cylindrical tube surrounding and...
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4310284 |
Automatically controlled wind propeller and tower shadow eliminator
A propeller hub carries pivotally-mounted blades that are linked to a spring-loaded collar on the propeller shaft for automatic coning and feathering under predetermined high velocity movement...
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4271781 |
Outboard motor clutches
An outboard motor propulsion unit which is manufactured and sold without a clutch is provided thereafter with a clutch, as follows. The spring connecting the propeller to the output shaft is...
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4090812 |
Axial fan with automatically controlled variable pitch blades
A fan impeller for axial flow having automatically variable-pitch blades ached to a rotatable hub for attaining maximum lift and inhibiting stall in a varying back pressure regime. The blades are...
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4066911 |
Wind-driven prime mover
A sail-type wind-driven prime mover is provided in which the area of the sails facing into the wind is adjustable. The prime mover comprises a drive shaft from which depend radially extending front...
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4055113 |
Ventilator apparatus
Ventilator apparatus which includes rotary impeller or fan structure and an electric motor for rotation thereof. A shaft joins the rotor of the electric motor to the impeller or fan structure for...
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3871324 |
OUTBOARD PROPULSION UNIT EXHAUST DISCHARGE SYSTEM
It is disclosed for an engine driven outboard propulsion unit having a reversible propeller to selectively drive the propulsion unit in forward and reverse directions and passage means for...
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3806278 |
MIXED-FLOW PUMP WITH VARIABLE FLOW AREA
The effective blade height of a pump employing a fixed lead conical impeller is adjusted to vary the pump flow area in accordance with load. Blade height adjustment is achieved by imparting axial...
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3612719 |
MEANS FOR SUPPORTING AN IMPELLER OF A CENTRIFUGAL COMPRESSOR
In a centrifugal compressor, a rotatable shaft has conically tapered portions and an impeller and a front vane are mounted, as separate components, on the tapered portions of the shaft. A first...
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3563670 |
MARINE PROPELLER AND ITS MOUNTING
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3299963 |
Variable-pitch fan
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2995295 |
Variable speed fan drive
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2927536 |
Variable capacity pump
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2916095 |
Variable pitch marine propeller
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