A vane compressor has a plurality of vanes that are radially translatable and have outer ends. The vanes create zones between each pair of adjacent vanes, each zone having a given area. The vane compressor also has an axis about which the vanes rotate and an outlet for expelling compressed fluid. A first zone immediately …

Legal parties

Inventors (applicants): Charles Shepard
Assignees (initial): Hamilton Sundstrand Corporation (Windsor Locks, US)
Agents: Carlson, Gaskey & Olds, P.C. (attorney)

The application was examined by Theresa Trieu (USPTO dept. 3748)


  • 1. A vane compressor comprising: …
  • 2. The vane compressor as set forth in claim 1 , wherein due to said …
  • 3. the vane compressor as set forth in claim 1 , wherein said outlet area …

Cited documents


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Brief Description of the Drawings

The various features and advantages of the disclosed examples will become apparent to those skilled in the art from the following detailed description. The drawings that accompany the detailed description …



This application relates to vane compressors, and more particularly to a valveless vane compressor. Vane compressors compress fluids, such as gas, and are well known in the art. A vane …

Detailed Description of the Preferred Embodiment

Referring to the FIGURE, a vane compressor 10 is shown. The vane compressor 10 is of the balance type, however, one of ordinary skill would recognize that this teachings may be usable …

More details about Valveless Vane Compressor

Miscellaneous patent data

Similar documents are classified under Seal element between working member and vane, Reciprocating-piston liquid engines, One working chamber stage encircles another, Adjustable or expandable peripheral projection, cylinders in star- or fan-arrangement, Distribution members specially adapted for multiple-cylinder engines, Adjustable working member, internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member, movable cylinders, Annular groove or recess completely encircles rotation axis, the application was published on Jan. 13, 2011, the assignee is a United States company, the application was examined by Theresa Trieu (3748 USPTO department), the application number is 13/005,737 (U.S.), categorized under Positively Actuated Vane as a primary classification, the grant publication number is 08454335, the invention description is illustrated by 1 drawings, developed by Charles Shepard, claims 1-7 comprise the invention scope, the patent grant was extended by 283 days, the known inventor's name is Shepard Charles, the inventor's address - DeKalb, IL, the exemplary patent drawings are Valveless Vane Compressor, located in Windsor Locks (US), the assignee company is Hamilton Sundstrand Corporation, the applicant's first name is Charles, and his last name is Shepard, the applicant's location - DeKalb, IL, the invention details are shown in 1 figures, the invention is named Valveless Vane Compressor, the agent's company - Carlson, Gaskey & Olds, P.C., the claim 1 is exemplary as chosen by the examiner, the patent was granted on Jun. 4, 2013, particularly claims a vane compressor comprising…

Invention classification information

The invention is classified under With Plural Working Fluid Inlet or Outlet Passages, Fluid biased, Cam actuated, Rotary-piston machines or pumps, Positively Actuated Vane, Oscillating-piston engines, Rotary-piston engines. The designated search classifications include Cam actuated, Working Chamber Surface Expressed Mathematically, Positively Actuated Vane, With Plural Working Fluid Inlet or Outlet Passages.

Patent details
Publication number 08454335
Publication date Jun. 4, 2013
Kind code B2
Application number 13/005,737
Application date Jan. 13, 2011
Application type U
Application series code 13
Extension term 283
National classification 418/259
Total number of claims 7
Exemplary claims 1
Number of drawings 1
Number of figures 1
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