|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||222/396 ; 222/399 ; 169/85 ; 137/509|
|발명자 / 주소|
|인용정보||피인용 횟수 : 53 인용 특허 : 0|
An apparatus disposed within a pressurized container for enabling product contained in the container to be dispensed at a predetermined constant pressure, which apparatus includes a vessel having first and second enclosures housing pressurized gas and a member exposed to the pressure in the container. Fluctuations of the pressure in the container cause the member to move to a first position when the pressure in the container equals the predetermined pressure and to a second position when the pressure in the container is below the predetermined pressure. ...
Apparatus for maintaining a constant predetermined pressure in a pressurized container for dispensing product contained in the container from the container at said constant pressure, said apparatus comprising: a vessel disposed in said container; a cylinder member disposed in said vessel and defining with said vessel a first chamber for containing pressurized gas; a piston member disposed in said cylinder member; one of said members being exposed to the pressure in said container for moving relative to the other member; means responsive to said movement ...