Class F04B : POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
Subclass 1/07: Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (F04B 3/00 takes precedence; fluid-driven pumps F04B 9/08; control of reciprocating machines or pumps in general F04B 49/00) having cylinders in star- or fan-arrangement Control by varying the relative eccentricity between two members, e.g. a cam and a drive shaft
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10378357 | Hydraulic radial piston device with improved pressure transition mechanism | Jan 14, 16 | Aug 13, 19 | Eaton Intelligent Power Limited |
| 9217424 | Multi-speed hydraulic pump | Aug 16, 12 | Dec 22, 15 | Harken, Inc. |
| 9194380 | Radial hydraulic pump with a variable eccentricity and delivery | Oct 18, 12 | Nov 24, 15 | HYDR'AM, HYDR AM, |
| 9188111 | Displacement assembly for a fluid device | Dec 14, 09 | Nov 17, 15 | EATON CORPORATION |
| 9115711 | Method for determining the displacement of a radial piston machine | Nov 29, 10 | Aug 25, 15 | ZF FRIEDRICHSHAFEN AG |
| 8734123 | Converter for converting mechanical energy into hydraulic energy and robot implementing said converter | Mar 25, 09 | May 27, 14 | BIA |
| 8668466 | Variable displacement reciprocating pump | Oct 11, 10 | Mar 11, 14 | SERVA CORPORATION |
| 5634777 | Radial piston fluid machine and/or adjustable rotor | Sep 30, 94 | Jun 03, 97 | WHITEMOSS, INC. |
| 5547348 | Radial piston fluid machine and/or adjustable rotor | Aug 22, 94 | Aug 20, 96 | WHITEMOSS, INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2018/0073,492 | HYDRAULIC RADIAL PISTON DEVICE | Sep 01, 17 | Mar 15, 18 | Not available |
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