[특허]Method of regulating pressure in pressurized beverage dispenser

GrowlerWerks, Inc.

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특허 상세정보

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Method of regulating pressure in pressurized beverage dispenser

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B67D-001/12 B67D-001/04 B67D-001/00 G05D-016/06 B67D-001/08 B67D-001/14
출원번호	US-0149437 (2016-05-09)
등록번호	US-10106394 (2018-10-23)
발명자 / 주소	Rege, Evan Christopher Maier, Donald Christian Huff, Shawn Leland Sonnichsen, Brian Edwards
출원인 / 주소	GrowlerWerks, Inc.
대리인 / 주소	Miller Nash Graham & Dunn LLP
인용정보	피인용 횟수 : 0 인용 특허 : 54

초록
▼

A beverage dispenser with a variable pressure regulator cap assembly that includes a high pressure cavity defined by a cap body. The high pressure cavity receives pressurized gas from a compressed gas reservoir. A low pressure cavity is connected to the high pressure cavity via a high pressure gas passageway. The low pressure cavity defines a low pressure gas passageway that penetrates the cap body. A piston seat is positioned on a high pressure cavity side of the high pressure gas passageway. A piston regulates introduction of the pressurized gas into the high pressure gas passageway. A diaphragm is positioned between an ambient pressure cavity and the low pressure cavity and translates the piston relative to the piston seat. A main spring is positioned between a diaphragm and a spring hat. Rotation of the drive screw translates the spring hat to affect compression of the main spring against the diaphragm.

대표
청구항
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1. A method of regulating a pressure applied by a regulator cap assembly to an internal volume defined by a vessel, the method comprising: filling a high pressure cavity to a first pressure with a gas expelled from a compressed gas reservoir, wherein the high pressure cavity is at least partially defined by a cap body of the regulator cap assembly;applying, from a high pressure spring, a high pressure spring force against a piston in a first direction to seat the piston against a piston seat, wherein when the piston is seated, the piston substantially prevents the gas in the high pressure cavity from entering a low pressure cavity;applying, from a main spring, a main spring force in a second direction against a floating diaphragm, wherein the floating diaphragm is positioned between an ambient pressure cavity and the low pressure cavity and wherein the floating diaphragm includes a piston translation portion that is configured to translate the piston relative to the piston seat in the second direction that is substantially opposite the first direction as the floating diaphragm moves in the second direction;rotating a dial to a first rotational position, the first rotational position being related to a particular distance between a spring hat and the diaphragm; andporting a portion of the gas from the high pressure cavity to the low pressure cavity until a low pressure develops against a low pressure surface of the floating diaphragm that is sufficient to compress the main spring between the spring hat and the floating diaphragm to move the floating diaphragm in the first direction to seat the piston against the piston seat,wherein the low pressure cavity is configured to be in fluid communication with the internal volume. 2. The method of claim 1, further comprising in response to a decrease in an amount of a fluid contained in the internal volume, porting another portion of the gas from the high pressure cavity to the low pressure cavity until the low pressure redevelops against the low pressure surface of the floating diaphragm. 3. The method of claim 1, further comprising: receiving a compressed gas reservoir into a lower portion of the cap body of the regulator cap assembly; andpiercing the compressed gas reservoir such that gas contained in the compressed gas reservoir flows from the compressed gas reservoir to the high pressure cavity. 4. The method of claim 1, further comprising: rotating the dial to another rotational position that is related to another particular distance between the spring hat and the diaphragm; andporting another portion of the gas from the high pressure cavity to the low pressure cavity until another low pressure develops against the low pressure surface of the floating diaphragm that is sufficient to compress the main spring between the spring hat and the diaphragm to move the diaphragm in the first direction to seat the piston against the piston seat. 5. A method of regulating a pressure applied by a regulator cap assembly to an internal volume defined by a vessel, the method comprising: filling a high pressure cavity to a first pressure with a gas expelled from a compressed gas reservoir, wherein the high pressure cavity is at least partially defined by a cap body of the regulator cap assembly;applying, from a high pressure spring, a high pressure spring force against a piston in a first direction to seat the piston against a piston seat, wherein when the piston is seated, the piston substantially prevents the gas in the high pressure cavity from entering a low pressure cavity;applying, from a main spring, a main spring force in a second direction against a diaphragm, wherein the diaphragm is positioned between an ambient pressure cavity and the low pressure cavity and wherein the diaphragm includes a piston translation portion that is configured to translate the piston relative to the piston seat in the second direction that is substantially opposite the first direction;rotating a dial to a first rotational position, the first rotational position being related to a particular distance between a spring hat and the diaphragm; andporting a portion of the gas from the high pressure cavity to the low pressure cavity until a low pressure develops against a low pressure surface of the diaphragm that is sufficient to compress the main spring between the spring hat and the diaphragm to move the diaphragm in the first direction to seat the piston against the piston seat,wherein the low pressure cavity is configured to be in fluid communication with the internal volume; andin response to an overpressure condition existing in the low pressure cavity, venting the low pressure cavity via an overpressure vent channel defined in an internal surface of a side wall of the cap body that extends from the ambient pressure cavity to a distance defined relative to a maximum travel distance of the diaphragm; andventing a volume defined by a gas reservoir sleeve to the low pressure cavity via a sleeve vent channel defined in the cap body. 6. A method of regulating a pressure applied by a regulator cap assembly to an internal volume defined by a vessel, the method comprising: filling a high pressure cavity to a first pressure with a gas expelled from a compressed gas reservoir, wherein the high pressure cavity is at least partially defined by a cap body of the regulator cap assembly;applying, from a high pressure spring, a high pressure spring force against a piston in a first direction to seat the piston against a piston seat, wherein when the piston is seated, the piston substantially prevents the gas in the high pressure cavity from entering a low pressure cavity;applying, from a main spring, a main spring force in a second direction against a diaphragm, wherein the diaphragm is positioned between an ambient pressure cavity and the low pressure cavity and wherein the diaphragm includes a piston translation portion that is configured to translate the piston relative to the piston seat in the second direction that is substantially opposite the first direction;rotating a dial to a first rotational position, the first rotational position being related to a particular distance between a spring hat and the diaphragm; andporting a portion of the gas from the high pressure cavity to the low pressure cavity until a low pressure develops against a low pressure surface of the diaphragm that is sufficient to compress the main spring between the spring hat and the diaphragm to move the diaphragm in the first direction to seat the piston against the piston seat,wherein the low pressure cavity is configured to be in fluid communication with the internal volume; andfurther comprising in response to an overpressure condition existing in a gas reservoir sleeve, venting the gas reservoir sleeve via a vent port defined in a second end of the gas reservoir sleeve and a cartridge sleeve vent defined in an internal vertical wall of the gas reservoir sleeve that extends from a first volume defined by the gas reservoir sleeve that surrounds an exit of a pressurized gas reservoir to a second volume defined by the gas reservoir sleeve that is fluidly coupled to the vent port.

인용문헌 (54)

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Method of regulating pressure in pressurized beverage dispenser

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Method of regulating pressure in pressurized beverage dispenser

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인용문헌 (54)

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IPC 상세정보(version : 201201)

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