The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 14, 2025

Filed:

Jul. 11, 2023
Applicant:

Eaton Intelligent Power Limited, Dublin, IE;

Inventors:

Subrata Sarkar, Maharashtra, IN;

Abhijit Borawake, Maharashtra, IN;

Steven Charles Riley, Grayshott, GB;

Andrew John Masson, Southampton, GB;

Sahil Kartik Patel, Southampton, GB;

Amit Kalmegh, Pune Yewalewadi, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/60 (2005.12); F04D 13/00 (2005.12); F04D 13/06 (2005.12); F04D 29/00 (2005.12); F04D 29/40 (2005.12);
U.S. Cl.
CPC ...
F04D 29/605 (2012.12); F04D 13/00 (2012.12); F04D 13/06 (2012.12); F04D 29/00 (2012.12); F04D 29/406 (2012.12); F04D 29/60 (2012.12); F04D 13/0606 (2012.12);
Abstract

One or more boost pumps for a liquid hydrogen fuel system are disposed within the fuel tank and fully flooded. An electrical connector of each boost pump is sealed from the fuel tank and accessible from an exterior of the fuel tank while the boost pump is installed. Each boost pump can be independently replaced using a toolbox. Each boost pump is purged of fuel before being replaced by introducing a gas at a center region of the boost pump. The toolbox and new boost pump are purged prior to removal of the old boost pump. Each boost pump can be formed from modular components.


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