公开(公告)号：US20210239273A1

公开(公告)日：2021-08-05

申请号：US16777374

申请日：2020-01-30

Applicant: Caterpillar Inc.

Inventor： Brian M. Bevard ,  Derek Samsel ,  Manikandan Natarajan ,  Joshua Perko ,  Matthew Jordan Engfehr ,  Roderick S. Zehrung

IPC: F17C7/04 ,  F17C9/02 ,  F17C1/12 ,  F17C5/02

Abstract: In accordance with one aspect of the present disclosure, a mobile machine includes a LNG fuel tank to provide natural gas to a natural gas engine, a pressure relief valve to relieve pressure to a relief vent line, and a liquid separation device. The liquid separation device includes a canister defining an interior space and having a top end and a bottom end, a LNG inlet configured to receive mixed phase fluid into the canister from the relief vent line, a separator disposed within the interior space and fluidly connected to the LNG inlet, the separator configured to direct condensed liquid to the bottom end and to pass vapor to the interior space, a vapor outlet disposed on the top end of the canister, and a liquid drain disposed on the bottom end of the canister.

公开(公告)号：US11608937B2

公开(公告)日：2023-03-21

申请号：US16777374

申请日：2020-01-30

Applicant: Caterpillar Inc.

Inventor： Brian M. Bevard ,  Derek Samsel ,  Manikandan Natarajan ,  Joshua Perko ,  Matthew Jordan Engfehr ,  Roderick S. Zehrung

IPC: F17C7/04 ,  F17C9/02 ,  F17C1/12 ,  F17C5/02

Abstract: In accordance with one aspect of the present disclosure, a mobile machine includes a LNG fuel tank to provide natural gas to a natural gas engine, a pressure relief valve to relieve pressure to a relief vent line, and a liquid separation device. The liquid separation device includes a canister defining an interior space and having a top end and a bottom end, a LNG inlet configured to receive mixed phase fluid into the canister from the relief vent line, a separator disposed within the interior space and fluidly connected to the LNG inlet, the separator configured to direct condensed liquid to the bottom end and to pass vapor to the interior space, a vapor outlet disposed on the top end of the canister, and a liquid drain disposed on the bottom end of the canister.