Methods and apparatus for converting energy from a stream of compressed gas into mechanical work as systems incorporating such methods …

Legal parties

Inventors (applicants): Andrew C. Berkun
Agents: Henricks, Slavin & Holmes LLP (attorney)

The application was examined by Edward Landrum (USPTO dept. 3745), Logan Kraft


  • 1. An energy conversion device, comprising: …
  • 2. An energy conversion device as claimed in claim 1 , wherein …
  • 3. An energy conversion device as claimed in claim 1 , wherein there is a maximum …

Cited documents


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Brief Description of the Drawings

Detailed description of exemplary embodiments will be made with reference to the accompanying drawings. FIG. 1 is a schematic section view of an energy conversion device in accordance with one embodiment …



1. Field of the Inventions The present inventions relate generally to energy conversion. 2. Description of the Related Art Energy conversion devices, such as vane motors, piston motors and turbines …

Cross-Reference to Related Applications

This application claims the benefit of U.S. Provisional Application Ser. No. 61/045,960, filed Apr. 17, 2008 and entitled “Slam Valve Motor,” which is incorporated herein by reference in its …

Detailed Description of Exemplary Embodiments

The following is a detailed description of the best presently known modes of carrying out the inventions. This description is not to be taken in a limiting sense, but is made …

More details about Energy Conversion Devices and Systems Including the Same

Miscellaneous patent data

Was examined by Edward Landrum, the main examiner, Logan Kraft, the assistant (3745 USPTO department), the patent particularly claims an energy conversion device, comprising…, the agent's company name is Henricks, Slavin & Holmes LLP, 67 figures depict the invention details, the inventor's address - Arcadia, CA, the published inventor's name is Berkun Andrew C., the application publication date is Apr. 10, 2009, similar categories include Double acting high and low pressure working members, pneumatic drive or displacement and speed control or stopping by hydraulic braking, Servomotors with follow-up action, i.e. in which the position of the actuated member conforms with that of the controlling member, Combined pneumatic-hydraulic systems, Delay devices or arrangements, Special arrangements for operating the actuated device without using fluid pressure, e.g. for emergency use, Fluid-operated pilot valve, Including motive fluid pressure or flow responsive valve (468), Cutoff or Control After Predetermined Number of Cycles or Revolutions, Cyclically Operable, the exemplary claims include number 1, 29 claims comprise the protection scope, the patent grant extension term is 755 days, the invention is named Energy Conversion Devices and Systems Including the Same, invented by Andrew C. Berkun, the patent was granted on Apr. 8, 2014, the applicant's location - Arcadia, CA, the applicant's last name is Berkun, and his first name is Andrew C., the exemplary patent drawings are Energy Conversion Devices and Systems, schematic section views showing the operation, Schematic section view of an energy, Enlarged section view of a portion, originally classified under Timing control by relative adjustment of plural movable fluid control elements, illustrated by 21 drawings, numbered 12/936,719 (application), the grant number is 08689673.

Invention classification information

The invention is classified under Axially seating valves, Timing control by relative adjustment of plural movable fluid control elements, Special measures for feedback, Exhaust valve closed or held closed by inlet fluid (442), Electrically or magnetically actuated or adjusted distributor (459), Adjustable inlet and exhaust events. The designated search classifications include Clearance control, Relatively movable inlet and exhaust valves, Electrically or magnetically actuated or adjusted distributor (459), Concentric working chambers, Biased open, Axially seating valves, Adjustable inlet and exhaust events, Exhaust valve closed or held closed by inlet fluid (442), Working Member Moved by Stored Motive Fluid Charge, Permanent or Constantly Energized Magnet Actuator, Plural biasing means, Timing control by relative adjustment of plural movable fluid control elements.

Patent details
Publication number 08689673
Publication date Apr. 8, 2014
Kind code B2
Application number 12/936,719
Application date Apr. 10, 2009
Application type U
Application series code 12
Int. pub. country WO
Int. pub. number WO2009/129129
Int. publication Oct. 22, 2009
Int. filing country WO
Int. filing PCT/US2009/040150
Filed internationally Apr. 10, 2009
National stage date Oct. 7, 2010
Extension term 755
National classification 91/247
Total number of claims 29
Exemplary claims 1
Number of drawings 21
Number of figures 67
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