Patent ID: 11885425
Assignee: HAMILTON SUNDSTRAND CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 8:
9. An engine system, comprising:
a main flow line; and
a branch in fluid communication with the main flow line, the branch comprising:
a burst disc system, comprising:
a plurality of burst discs serially arranged to successively rupture one at a time, each burst disc configured to rupture at one or more set burst pressures, wherein one or more burst discs of the plurality of burst discs has a different burst pressure than one or more of the other of the plurality of burst discs, wherein the plurality of burst discs comprise a first burst disc, a second burst disc, a third burst disc, and a fourth burst disc, wherein the first burst disc includes a lower burst pressure than one or more downstream burst discs, wherein the first burst disc and the second burst disc have a first burst pressure, and wherein the third burst disc and the fourth burst disc have a second burst pressure higher than the first; and
an indicator configured to allow a user to receive an indication that a last burst disc of the plurality of burst discs has ruptured.