Back to results
US 11,651,931 B2Granted
Refillable ion chamber with automated purging system
AssigneeVarian Medical Systems, Inc.
InventorsAmir Shojaei, Philip Adamson, Flavio Poehlmann-Martins
Life of this patent
Estimating the term…
Abstract
An apparatus includes an ion chamber and a valve assembly. The ion chamber may include a housing enclosing a gas and one or more electrodes. The valve assembly is coupled to the ion chamber allowing control of replacement of the gas within the housing.
Claims20
An apparatus, comprising:
- an ion chamber including a housing enclosing a gas and one or more electrodes;
- a valve assembly coupled to the ion chamber to control a replacement of the gas within the housing;
- and
- a structure supporting the valve assembly, wherein the structure isolates a weight of the valve assembly from a weight of the ion chamber.
1 more element
A method of refurbishing an ion chamber including a housing enclosing a contaminated gas and one or more electrodes, the method comprising:
- removing the contaminated gas enclosed in the housing by allowing the contaminated gas to flow out of the housing through a valve assembly coupled to the housing, the valve assembly being supported by a structure isolating a weight of the valve assembly from a weight of the ion chamber, and
- refilling the housing with a gas from a gas source by allowing the gas to flow into the housing through the valve assembly.
Dependencies are inferred from the claim text.