CN104941043B - The calibration method and system of a kind of Venturi - Google Patents
The calibration method and system of a kind of Venturi Download PDFInfo
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- CN104941043B CN104941043B CN201510420246.9A CN201510420246A CN104941043B CN 104941043 B CN104941043 B CN 104941043B CN 201510420246 A CN201510420246 A CN 201510420246A CN 104941043 B CN104941043 B CN 104941043B
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- voltage control
- venturi
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- Respiratory Apparatuses And Protective Means (AREA)
- Flow Control (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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CN201510420246.9A CN104941043B (en) | 2015-07-16 | 2015-07-16 | The calibration method and system of a kind of Venturi |
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CN201510420246.9A CN104941043B (en) | 2015-07-16 | 2015-07-16 | The calibration method and system of a kind of Venturi |
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CN104941043A CN104941043A (en) | 2015-09-30 |
CN104941043B true CN104941043B (en) | 2017-08-04 |
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CN201510420246.9A Active CN104941043B (en) | 2015-07-16 | 2015-07-16 | The calibration method and system of a kind of Venturi |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1817378A (en) * | 2006-03-10 | 2006-08-16 | 张培林 | Non-compressed air mixing system of intelligent respirator |
CN101474451A (en) * | 2009-01-20 | 2009-07-08 | 张培林 | Oxygen concentration control device of intelligent type breathing machine |
CN204073003U (en) * | 2014-08-15 | 2015-01-07 | 深圳市安保科技有限公司 | A kind of Pneumatic electrical control aerating system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080190421A1 (en) * | 2007-02-12 | 2008-08-14 | Darryl Zitting | Venturi apparatus with incorporated flow metering device |
WO2014078918A1 (en) * | 2012-11-23 | 2014-05-30 | Petróleo Brasileiro S.A. - Petrobras | Flowmeter with central venturi tube |
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2015
- 2015-07-16 CN CN201510420246.9A patent/CN104941043B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1817378A (en) * | 2006-03-10 | 2006-08-16 | 张培林 | Non-compressed air mixing system of intelligent respirator |
CN101474451A (en) * | 2009-01-20 | 2009-07-08 | 张培林 | Oxygen concentration control device of intelligent type breathing machine |
CN204073003U (en) * | 2014-08-15 | 2015-01-07 | 深圳市安保科技有限公司 | A kind of Pneumatic electrical control aerating system |
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CN104941043A (en) | 2015-09-30 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Calibration method and system for Venturi device Effective date of registration: 20191212 Granted publication date: 20170804 Pledgee: Agricultural Bank of China Limited Qianhai branch Pledgor: Shenzhen Poople Science and Technology Co., Ltd. Registration number: Y2019440020035 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210107 Granted publication date: 20170804 Pledgee: Agricultural Bank of China Limited Qianhai branch Pledgor: SHENZHEN PROBE SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2019440020035 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 518103 area a, 4th floor, 6th floor, 9th floor, building C, 71-3 Xintian Avenue, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Pubo Medical Technology Co.,Ltd. Address before: 518103 area a, 4th floor, 6th floor, 9th floor, building C, 71-3 Xintian Avenue, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN PROBE SCIENCE & TECHNOLOGY Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |