Patent ID: 9371913
Filing Date: 2016-06-21
CPC Classification: F16K,Y10T

Claim Text:
1. A valve assembly comprising: a housing body being fixedly connected to a gas cylinder and provided with a gas inlet port which communicates with an interior of the gas cylinder; a gas supply passage communicating the gas inlet port with the interior of the gas cylinder; a gas charging passage arranged separately from the gas supply passage, and communicating a gas charging port with the interior of the gas cylinder; a pressure relief device passage in communicating with the gas charging passage; a check valve arranged in the gas charging passage downstream of the gas charging port, wherein the pressure relief device passage connected to the gas charging passage at a location upstream of the check valve; a temperature sensor passage arranged separately from the gas supply and gas charging passages to communicate the atmospheric environment with a sensor chamber positioned inside the gas cylinder; a temperature sensor wire sealingly routes through the temperature passage and connects with a temperature sensor arranged inside the sensor chamber; a first manual valve arranged in the gas supply passage; a solenoid valve arranged in the gas supply passage and downstream of the first manual valve; an outlet of the solenoid valve communicating with a gas outlet port; said solenoid valve having: an excess flow shut off device arranged in the gas supply passage and upstream of the first manual valve; a thermal safety device provided in the pressure relief device passage, comprising: a straight cavity, and a fusible alloy mixed with reinforced agents fills the central of the straight cavity; wherein the straight cavity is not covered by the housing body or a connection fitting hardware.