Abstract

Apparatus and methods for eliminating back drive in a push pull type control system, are provided. An exemplary apparatus includes a control rod including a pair of spaced apart piston displacement members each configured to carry a check valve. The apparatus also includes a pair of opposite-face check valves each configured to seal against respective …

Legal parties

Party
Inventors (applicants): M. Keith Robinson, Jeffrey R. Lewis, Jay W. Carter, Jr.
Assignees (initial): Carter Aviation Technologies, LLC (Wichita Falls, US)
Agents: Gardere Wynne Sewell LLP (attorney)

The application was examined by Thomas E Lazo (USPTO dept. 3745)

Claims

  • 1. An apparatus for eliminating back drive in a push pull type control system, the apparatus …
  • 2. An apparatus as defined in claim 1 , further comprising: a piston located within …
  • 3. An apparatus as defined in claim 2 , wherein the first and the second …

Cited documents

Patents

  • Kazumori et al. US 5947000 A / 91/378, Sep. 1, 1999
  • Carter et al. US 7677492 B1 / 244/17.25, Mar. 1, 2010
  • Donovan et al. US 3738594 A, Jun. 1, 1973
  • Korkosz US 4258890 A / 244/223, Mar. 1, 1981
  • Cline et al. US 2005/0116095 A1, Jun. 1, 2005
  • Doblhoff US 3002569 A, Oct. 1, 1961
  • Carter, Jr. et al. US 7510377 B1, Mar. 1, 2009
  • Fischel US 2069605 A / 91/364, Feb. 1, 1937
  • Davidsen US 2385351 A / 91/438, Sep. 1, 1945
  • Carter et al. US 7137591 B2, Nov. 1, 2006
  • Carter, Jr. US 6405980 B1, Jun. 1, 2002

Drawings

Brief Description of the Drawings

So that the manner in which the features and advantages of the invention, as well as others which will become apparent, may be understood in more detail, a more particular …

Description

Background of the Invention

1. Field of the Invention This invention relates in general to rotor aircraft, such as gyro planes, and in particular to the manual control systems, and more specifically to apparatus …

Related Applications

This application is a non-provisional patent application of and claims priority to and the benefit of U.S. Patent Application No. 61/501,045, filed on Jun. 24, 2011, titled “Hydraulic Cylinder to Eliminate …

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, which illustrate embodiments of the invention. This invention may, however, be embodied in many …

More details about Apparatus to Eliminate Back Drive in Push Pull System of Rotor Aircraft and Related Methods

Miscellaneous patent data

The claim number 1 is selected as exemplary, similar categories include flexible, Wings, using cable, chain, or rod mechanisms, Pilot valve moves about an axis, Movement of relatively movable pilot mechanically moves distributor, two or more independent movements, Changeable from multiple expansion to simple operation, artificial feel, Port in piston between opposed working faces, Varying angle of sweep, Staplers having two diameter pistons, flaps at both the front and rear of the wing operating in unison, blowing, single flaps, Rotorcraft characterised by having shrouded rotors, e.g. flying platforms, the grant number is 08739679, developed by Jay W. Carter, Jr. et al., the examination was conducted by Thomas E Lazo (primary examiner, 3745 USPTO department), particularly claims an apparatus for eliminating back drive in a push pull type control system…, the invention is named Apparatus to Eliminate Back Drive in Push Pull System of Rotor Aircraft and Related Methods, the patent extension term is 155 days, the inventor's name is Carter, Jr. Jay W., the inventor's address - Burkburnett, TX, assigned to a United States company, the invention description is illustrated by 2 drawings, the protection scope is defined by 20 claims, the recorded applicant's name is Carter, Jr. Jay W., the applicant's location - Burkburnett, TX, 4 figures are supplied with the description, the application publication date is Jun. 25, 2012, the recorded agent's company name - Gardere Wynne Sewell LLP, the grant date is Jun. 3, 2014 (publication date), categorized under With means to vary feedback signal in response to rate of working member movement as a primary classification, numbered 13/532,213 (application), the assignee location is Wichita Falls (US); its company is Carter Aviation Technologies, LLC, the exemplary patent drawings are Perspective partially environmental view of an apparatus, Large view of the apparatus, Apparatus to Eliminate Back Drive.

Invention classification information

The invention is classified under Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers, Lifting rotor having lift direction varying means, With means to vary feedback signal in response to rate of working member movement, Fluid-pressure actuator systems in which the movement produced is definitely related to the output of a volumetric pump, Telemotors, Independent control of bypass between opposed working chambers. The designated search classifications include Biasing means engages working fluid contacting portion of working member, Lifting rotor having lift direction varying means, Controlled by rate of movement of working member, mechanical, Having, surge chamber, fluid supply means, or means compensating for fluid expansion, contraction or leakage, actuated personally, Automatic or condition responsive control, With means to vary feedback signal in response to rate of working member movement, Independent control of bypass between opposed working chambers.

Patent details
Publication number 08739679
Publication date Jun. 3, 2014
Kind code B2
Application number 13/532,213
Application date Jun. 25, 2012
Application type U
Application series code 13
Extension term 155
National classification 91/364
Total number of claims 20
Exemplary claims 1
Number of drawings 2
Number of figures 4
Quick navigation
More similar inventions

Actuating Drive for Positioning a Final Control Element and Method for Capturing a Position of the Final Control Element (US08869675, Oct. 28, 2014 / 13/085,092, April 12, 2011, With Signal, Indicator or Inspection Means), Joerg Kiesbauer et al. / Samson Aktiengesellschaft (Frankfurt, DE)

Travel Limiting Element in a Brake Servo Device and Brake Servo Device (US08505435, Aug. 13, 2013 / 12/531,783, Feb. 14, 2008, And transverse valve key), Michael Possmann et al. / Lucas Automotive GmbH (Koblenz, DE)

Axial Piston and Valve Shaft Fluid Engine (US08474363, July 2, 2013 / 13/476,365, May 21, 2012, Working member adapted to directly mechanically reverse distributor), Vincent M. Kelly

Also viewed with this patent

Hydraulic Drive System and Diagnostic Control Strategy for Improved Operation (US08726785, May 20, 2014 / 13/563,552, July 31, 2012, Both inlet and exhaust controlled by motive fluid pressure in supply line or chamber), Greg Batenburg / Westport Power Inc. (Vancouver, British Columbia, CA)

Valve Return Spring With Filter Support for a Pneumatic Brake Booster Assembly (US08746127, June 10, 2014 / 12/941,444, Nov. 8, 2010, One movable part unitary with working member), William P. Grace / Robert Bosch GmbH (Stuttgart, DE)

Hydraulic Pressure Feedback for Servovalves (US08739680, June 3, 2014 / 12/906,786, Oct. 18, 2010, Both inlet and exhaust controlled by motive fluid pressure in supply line or chamber), Dennis Reust

New documents
  • Process for the Production of the Actinobacillus Pleuropneumoniae Toxins APXI or APXIII in a Liquid Culture Medium Under Supply of Air Enriched in Carbon Dioxide
  • Method for Manufacturing Nonvolatile Memory Device
  • Supply Chain Demand Satisfaction
  • Supply-Line Management Device
  • Storage Control Device and Method for Managing Snapshot