Apparatus for feeding gas mixtures at the intake of a high pressure compressor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F04B-049/22
F04B-037/12
F04B-037/18
F04B-049/06
F04B-049/12
F04B-051/00
F17C-005/06
G05D-011/13
F04B-025/00
출원번호
US-0720082
(2017-09-29)
등록번호
US-10215171
(2019-02-26)
우선권정보
IT-102016000098296 (2016-09-30)
발명자
/ 주소
Ghiotto, Marco
출원인 / 주소
NARDI COMPRESSORI S.R.L.
대리인 / 주소
Abelman, Frayne & Schwab
인용정보
피인용 횟수 :
0인용 특허 :
11
초록▼
An apparatus for feeding gas mixtures to a compressor comprising a tubular mixing pipe connected with the compressor intake, first and second gas intake devices injecting into the mixing pipe gas received from a Helium source and an Oxygen source respectively, two sensors measuring the Oxygen percen
An apparatus for feeding gas mixtures to a compressor comprising a tubular mixing pipe connected with the compressor intake, first and second gas intake devices injecting into the mixing pipe gas received from a Helium source and an Oxygen source respectively, two sensors measuring the Oxygen percentage of the gas mixture, a first servo-controlled throttling valve interposed between the first gas intake device and the Helium source, a second servo-controlled throttling valve interposed between the second gas intake device and the Oxygen source, and a control unit configured to manage the throttling valves depending on the Oxygen percentages of the gas mixture measured by the sensors. The apparatus includes first and second auxiliary pressure regulators, electrically connected with the control unit, interposed respectively between the first servo-controlled valve and a manual regulator of the Helium source and between the second servo-controlled valve and a manual regulator of the Oxygen source.
대표청구항▼
1. An apparatus for feeding gas mixtures at the intake of a high pressure compressor, the apparatus comprising: a tubular mixing pipe which presents a first end configured to be connected with the intake of a sucking manifold of a high pressure compressor;a first gas intake device placed along said
1. An apparatus for feeding gas mixtures at the intake of a high pressure compressor, the apparatus comprising: a tubular mixing pipe which presents a first end configured to be connected with the intake of a sucking manifold of a high pressure compressor;a first gas intake device placed along said mixing pipe and configured to inject inside said mixing pipe the gas which is received from a pressurized Helium source;a second gas intake device placed along said mixing pipe, downstream from said first gas intake device and configured to inject inside said mixing pipe the gas which is received from a pressurized Oxygen source;a first and a second Oxygen-measurement sensor placed along said mixing pipe, downstream respectively from said first and said second gas intake devices, each configured to measure/determine a percentage of Oxygen of the gas mixture;a first servo-controlled throttling valve interposed between said first gas intake device and said pressurized Helium source and configured to adjust/control the gas flow directed towards said first gas intake device;a second servo-controlled throttling valve interposed between said second gas intake device and said pressurized Oxygen source and configured to adjust/control the gas flow directed towards said second gas intake device;an electronic control unit configured to drive said first and second throttling valve on a basis of the Oxygen percentages of said gas mixture measured/determined by said Oxygen-measurement sensors, wherein percentages of Oxygen, Nitrogen and Helium of said gas mixture coming out of said mixing pipe are maintained substantially equal to prefixed target percentages of Oxygen, Nitrogen and Helium,wherein a first auxiliary pressure regulator and a second auxiliary pressure regulator are both electrically connected with said electronic control unit which is configured to manage the operation thereof, the first auxiliary pressure regulator being interposed between said first servo-controlled throttling valve and a high pressure manual regulator of said pressurized Helium source, said first auxiliary pressure regulator being configured to vary the pressure of said Helium entering into said first servo-controlled throttling valve, and the second auxiliary pressure regulator being interposed between said second servo-controlled throttling valve and a high pressure manual regulator of said pressurized Oxygen source, said second auxiliary pressure regulator being configured to vary the pressure of said Oxygen entering into said second servo-controlled throttling valve. 2. The apparatus according to claim 1, wherein said first auxiliary pressure regulator is installed along a first connecting pipe which is configured to connect said first gas intake device with said pressurized Helium source, and said second auxiliary pressure regulator is installed along a second connecting pipe which is configured to connect said second gas intake device with said pressurized Oxygen source. 3. The apparatus according to claim 2, wherein said first gas intake device is installed along said first connecting pipe and said second gas intake device is installed along said second connecting pipe. 4. The apparatus according to claim 1, wherein said auxiliary pressure regulators are designed to operate at a maximum pressure value of 8 bars. 5. The apparatus according to claim 4, wherein said first auxiliary pressure regulator and said second auxiliary pressure regulator are designed to operate at a maximum pressure value between 0.5 bar and 8 bars. 6. The apparatus according to claim 3, wherein said first auxiliary pressure regulator and said second auxiliary pressure regulator are of an electro-pneumatic type. 7. The apparatus according to claim 1, wherein said first auxiliary pressure regulator and said second auxiliary pressure regulator have an adjustment proportional to an electric signal. 8. The apparatus according to claim 1, wherein said high pressure manual regulator of said Helium source is commonly connected to a tap installed on an upper part of said pressurized Helium source and said high pressure manual regulator of said Oxygen source is commonly connected to a tap installed on an upper part of said pressurized Oxygen source. 9. The apparatus according to claim 1, wherein a first safety solenoid valve is electrically connected with said electronic control unit, and is installed between said first auxiliary pressure regulator and said first servo-controlled throttling valve, and a second safety solenoid valve is electrically connected with said electronic control unit, and is installed between said second auxiliary pressure regulator and said second servo-controlled throttling valve. 10. The apparatus according to claim 1, wherein an openable box casing contains at least said first auxiliary pressure regulator and said second auxiliary pressure regulator. 11. The apparatus according to claim 1, wherein said electronic control unit is configured to manage the operation of said first servo-controlled throttling valve and said second servo-controlled throttling valve in relation to at least one of said first auxiliary pressure regulator and said second auxiliary pressure regulator.
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이 특허에 인용된 특허 (11)
Bird Robert E. (St. Louis MO), Apparatus and method for high pressure gas mixing.
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