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US 12,297,931 B2Granted
Centering electronic rotary valve
AssigneeSchivo Medical Limited
InventorKrzysztof Parzych
Life of this patent
Estimating the term…
Abstract
A Centering Electronic Rotary Valve (CERV) includes a drive system and a rotor structure comprising a rotor fluid channel input opening communicated with a rotor fluid channel output opening via a rotor fluid directional channel that is moveable via a rotor shaft. The rotor fluid channel input opening is adjacent to and aligned with one of a plurality of stator input channel bottom opening. The rotor fluid channel output opening is adjacent to and aligned with at least one of the plurality of stator output channel bottom openings. The drive system includes a motor and a microprocessor for (i) controlling the rotor shaft to rotate about an axis M and (ii) for positioning the rotor shaft at a defined circumferential position.
Claims11
A Centering Electronic Rotary Valve (CERV), comprising:
- a rotor structure comprising a rotor fluid channel input opening communicated with a rotor fluid channel output opening via a rotor fluid directional channel that is moveable via a rotor shaft, wherein the rotor fluid channel input opening is adjacent to and aligned with one of a plurality of stator input channel bottom openings, and the rotor fluid channel output opening is adjacent to and aligned with at least one of a plurality of stator output channel bottom openings;
- a drive system comprising a motor and a microprocessor for (i) controlling the rotor shaft to rotate about an axis M and (ii) for positioning the rotor shaft at a defined circumferential position;
- a positioning article, wherein the positioning article includes an encoder disc and an encoder disc reader for transmitting a defined circumferential position to the microprocessor, wherein the encoder disc comprises a plurality of position marks, each position mark of the plurality of position marks associated with a circumferential position of the rotor shaft;
- and
- a sensor interface for receiving a measured indication of a flow output from the rotor fluid channel output, wherein the microprocessor comprises storage for storing the measured indication of the flow output and the circumferential position of the rotor shaft;
- and
- wherein the microprocessor (i) determines a maximum flow based on the measured indication of the flow output, (ii) determines an associated circumferential position of the rotor shaft associated with the maximum flow and (iii) stores the circumferential position of the rotor shaft associated with the maximum flow in the microprocessor.
4 more elements
A Centering Electronic Rotary Valve (CERV), comprising:
- a rotor structure comprising a rotor fluid channel input opening communicated with a rotor fluid channel output opening via a rotor fluid directional channel that is moveable via a rotor shaft, wherein the rotor fluid channel input opening is adjacent to and aligned with one of a plurality of stator input channel bottom openings, and the rotor fluid channel output opening is adjacent to and aligned with at least one of a plurality of stator output channel bottom openings;
- a drive system comprising a motor and a microprocessor for (i) controlling the rotor shaft to rotate about an axis M and (ii) for positioning the rotor shaft at a defined circumferential position;
- a sensor interface for receiving a measured indication of a flow or pressure output from the rotor fluid channel output, wherein the microprocessor (i) determines a maximum flow pressure based on the measured indication of the flow output, (ii) determines an associated circumferential position of the rotor shaft associated with the maximum pressure and (iii) stores the associated circumferential position of the rotor shaft associated with the maximum pressure in the microprocessor;
- and
- a positioning article, wherein the positioning article includes an encoder disc and an encoder disc reader for transmitting a defined circumferential position to the microprocessor, wherein the encoder disc includes a plurality of position marks, each position mark of the plurality of position marks associated with a circumferential position of the rotor shaft.
2 more elements
A Centering Electronic Rotary Valve (CERV), comprising:
- a rotor structure comprising a rotor fluid channel input opening communicated with a rotor fluid channel output opening via a rotor fluid directional channel that is moveable via a rotor shaft, wherein the rotor fluid channel input opening is adjacent to and aligned with one of a plurality of stator input channel bottom openings, and the rotor fluid channel output opening is adjacent to and aligned with at least one of a plurality of stator output channel bottom openings;
- a drive system comprising a motor and a microprocessor for (i) controlling the rotor shaft to rotate about an axis M and (ii) for positioning the rotor shaft at a defined circumferential position;
- a sensor interface for receiving a measured indication of a flow or pressure output from the rotor fluid channel output, wherein the microprocessor (i) determines a maximum flow based on the measured indication of the flow output, (ii) determines an associated circumferential position of the rotor shaft associated with the maximum flow and (iii) stores the associated circumferential position of the rotor shaft associated with the maximum flow in the microprocessor;
- and
- a positioning article, wherein the positioning article includes an encoder disc and an encoder disc reader for transmitting a defined circumferential position to the microprocessor, wherein the encoder disc includes a plurality of position marks, each position mark of the plurality of position marks associated with a circumferential position of the rotor shaft.
2 more elements
Dependencies are inferred from the claim text.