Patent ID: 7293418

Claim:
A cryogenic tank assembly comprising: a. a vessel defining a cryogen space capable of storing a fluid at a cryogenic temperature and an initial pressure; b. a pump comprising: i. an intake opening disposed in said cryogen space for receiving a quantity of said fluid from said cryogen space; ii. a pressurizing device capable of pressurizing said quantity of said fluid to a pre-determined pressure, said pre-determined pressure being greater than said initial pressure and said pressurizing device being in communication with said intake opening; and, iii. a high pressure discharge passage in communication with said pressurizing device for discharging said quantity of said fluid from said pressurizing device, c. an accumulator comprising: i. an entrance for receiving said quantity of said fluid from said high pressure discharge passage; ii. a storage volume in communication with said entrance; and, iii. an exit in communication with said storage volume for delivering said quantity of said fluid, wherein a percentage of said accumulator is disposed within said cryogen space.