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Class Information
Number: 416/164
Name: Fluid reaction surfaces (i.e., impellers) > Having positive means for impeller adjustment > Power or manual actuator on non-rotatable part > Reciprocating sleeve or collar on or rod in impeller shaft
Description: Apparatus comprising a sleeve, collar or rod on or in a shaft which directly drives or is driven by the impeller and is reciprocated relative thereto to effect the movement.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7179054 |
Flow reversal system for axial fan |
Feb. 20, 2007 |
| 7134840 |
Rotor system for a remotely controlled aircraft |
Nov. 14, 2006 |
| 6981844 |
Cyclic actuation system for a controllable pitch propeller and a method of providing aircraft control therewith |
Jan. 3, 2006 |
| 6142735 |
Variable-pitch propeller, especially for sport craft |
Nov. 7, 2000 |
| 6113351 |
Variable pitch fan |
Sep. 5, 2000 |
| 6113352 |
Hingeless rotor with precompressed half-bearings supporting blade root oversleeves on torsionable blade root strips |
Sep. 5, 2000 |
| 6065933 |
Folding rotor blade/propeller drive and pitch control actuator |
May. 23, 2000 |
| 5967753 |
Controllable-pitch propeller, especially for sport boats and other watercraft |
Oct. 19, 1999 |
| 5685694 |
Air driven turbine having a blade pitch changing mechanism including overspeed protection |
Nov. 11, 1997 |
| 5527154 |
Variable pitch boat prop |
Jun. 18, 1996 |
| 5415525 |
Ducted tail rotor providing torque reaction and yaw attitude control |
May. 16, 1995 |
| 5297934 |
Compensation for kinematic foreshortening effect in pitch control system for rotary wing aircraft |
Mar. 29, 1994 |
| 5249992 |
Marine propulsion unit with controlled cyclic and collective blade pitch |
Oct. 5, 1993 |
| 5213472 |
Inboard servo for marine controllable pitch propellers |
May. 25, 1993 |
| 5163815 |
Rotor blade control mechanism |
Nov. 17, 1992 |
| 5159620 |
Variable pitch propeller apparatus |
Oct. 27, 1992 |
| 5145318 |
Flange-mounted controllable pitch marine propeller |
Sep. 8, 1992 |
| 5116209 |
Device of retractable stops for rotor blades of giroplanes, and rotor head including such a device |
May. 26, 1992 |
| 5028210 |
Propeller unit with controlled cyclic and collective blade pitch |
Jul. 2, 1991 |
| 4960397 |
Variable pitch propeller assembly |
Oct. 2, 1990 |
| 4941802 |
Multi-bladed propulsion apparatus |
Jul. 17, 1990 |
| 4810166 |
Controllable pitch marine propeller |
Mar. 7, 1989 |
| 4744727 |
Controllable pitch propeller and watercraft drive |
May. 17, 1988 |
| 4715784 |
Blade support hub for an axial fan |
Dec. 29, 1987 |
| 4183715 |
Adjustable vane windmills |
Jan. 15, 1980 |
| 3967916 |
Fan assembly |
Jul. 6, 1976 |
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