Method and apparatus for beverage extraction with improved gas cylinder access
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16K-017/06
B67D-001/08
B67D-001/00
F16K-017/04
B67D-001/04
출원번호
US-0824620
(2015-08-12)
등록번호
US-9739388
(2017-08-22)
발명자
/ 주소
Rider, Mike
Deruntz, Otto
Wing, Lee Ka
출원인 / 주소
Coravin, Inc.
대리인 / 주소
Wolf, Greenfield & Sacks, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
37
초록▼
Devices and methods for extracting a beverage from a container, such as a wine bottle. Beverage can be extracted from a container by inserting a needle through a container closure, such as a cork, delivering pressurized gas into the container via the needle, and dispensing beverage from the containe
Devices and methods for extracting a beverage from a container, such as a wine bottle. Beverage can be extracted from a container by inserting a needle through a container closure, such as a cork, delivering pressurized gas into the container via the needle, and dispensing beverage from the container via the needle. A pressure regulator may control a pressure of gas introduced into the container, and a lance used to pierce a pressurized gas cylinder may include a leading face arranged to reliably pierce a cylinder closure. The regulator may include valve features to reduce valve chatter or hammering and provide a more reliable pressure seal.
대표청구항▼
1. A fluid pressure regulator comprising: a first stage valve arranged to open and close a fluid flow path to control flow of fluid through the first stage valve, the first stage valve including: a first valve body defining a valve chamber having an outlet opening and an inlet opening;a first valve
1. A fluid pressure regulator comprising: a first stage valve arranged to open and close a fluid flow path to control flow of fluid through the first stage valve, the first stage valve including: a first valve body defining a valve chamber having an outlet opening and an inlet opening;a first valve gasket arranged in the valve chamber at the outlet opening;a first valve ball movable in the valve chamber to contact the first valve gasket and close the outlet opening; anda gasket retainer in the valve chamber and stationary relative to the first valve body arranged to hold the first valve gasket at the outlet opening, a portion of the gasket retainer contacting the first valve gasket at a location between the first valve gasket and the inlet opening;a first stage piston arranged for movement to move the first valve ball relative to the outlet opening and thereby open and close the first stage valve, the piston having an inner side and an outer side; anda regulator body defining a piston chamber in which the first stage piston is movable and housing the valve chamber. 2. The regulator of claim 1, wherein the gasket retainer includes a cylindrical shell portion and an inwardly extending flange at a gasket end of the retainer arranged to contact the first valve gasket. 3. The regulator of claim 2, wherein the flange has an annular shape and tapers inwardly from the cylindrical shell portion. 4. The regulator of claim 1, wherein the first valve gasket is arranged to deform with contact with the first valve ball, and the gasket retainer is arranged in the valve chamber to restrict movement of the gasket due to deformation of the gasket. 5. The regulator of claim 4, wherein the first valve gasket and the gasket retainer are arranged to prevent contact of the first valve ball with the first valve body near the outlet opening. 6. The regulator of claim 1, wherein the first stage piston includes a depressor arranged to move with the first stage piston and contact the first valve ball to move the first valve ball away from the outlet opening. 7. The regulator of claim 6, wherein the depressor has a rigid, convex contact surface arranged to contact the first valve ball. 8. The regulator of claim 1, further comprising a first piston spring arranged to bias the first stage piston to move toward the valve chamber and open the first stage valve. 9. The regulator of claim 1, further comprising a second valve body defining a second valve chamber having an outlet opening and an inlet opening, a second stage valve arranged to open and close the outlet opening of the second valve chamber, and a second stage piston arranged for movement to open and close the second stage valve. 10. The regulator of claim 9, further comprising a gas delivery conduit having a proximal end attached to the first stage piston and a distal end extending away from the first stage piston, the gas delivery conduit having a passage in fluid communication with the inner side of the first stage piston and with the second valve chamber. 11. The regulator of claim 10, wherein the gas delivery conduit is moveable into and out of the second valve chamber. 12. The regulator of claim 11, further comprising a seal that engages the gas delivery conduit and allows for sliding movement of the gas delivery conduit relative to the second valve chamber. 13. A fluid pressure regulator comprising: a first stage valve arranged to open and close a fluid flow path to control flow of fluid through the valve, the first stage valve including: a first valve body defining a valve chamber having an outlet opening and an inlet opening;a first valve gasket arranged in the valve chamber at the outlet opening; anda first valve ball movable in the valve chamber to contact the first valve gasket and close the outlet opening;a first stage piston arranged for movement to move the first valve ball relative to the outlet opening and thereby open and close the first stage valve, the piston having an inner side and an outer side; anda molded plastic regulator body defining a piston chamber in which the first stage piston is movable and housing the valve chamber,wherein the first valve body is a metal component positioned in a cavity of the molded plastic regulator body. 14. A fluid pressure regulator comprising: a first stage valve arranged to open and close a fluid flow path to control flow of fluid through the valve, the first stage valve including: a first valve body defining a valve chamber having an outlet opening and an inlet opening;a first valve gasket arranged in the valve chamber at the outlet opening; anda first valve ball movable in the valve chamber to contact the first valve gasket and close the outlet opening;a first stage piston arranged for movement to move the first valve ball relative to the outlet opening and thereby open and close the first stage valve, the piston having an inner side and an outer side; anda regulator body defining a piston chamber in which the first stage piston is movable and housing the valve chamber,wherein the first stage piston includes a depressor arranged to move with the first stage piston and contact the first valve ball to move the first valve ball away from the outlet opening, the depressor having a rigid, convex contact surface arranged to contact the first valve ball. 15. The regulator of claim 14, wherein the regulator body is molded of plastic and includes a metal component that is co-molded with molded plastic regulator body and is positioned around the first valve chamber.
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