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US 2015/0308283 A1Published application
Turbomachine starter oil filtration system
AssigneeHamilton Sundstrand Corporation
InventorsJohn T. Pech, Jeffrey M. Makulec
Life of this patent
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Abstract
A starter configured for use with a turbomachine includes a housing defining a cavity, a transmission operative to convert an airflow into rotational motion for starting an engine, wherein the cavity is configured to hold a quantity of starter oil for lubricating at least a portion of the transmission, and an oil filter disposed in fluid communication with the starter oil.
Claims17
A starter configured for use with a turbomachine, comprising:
- a housing defining a cavity;
- a turbine and a transmission operative to convert an airflow into rotational motion for starting an engine, wherein the cavity is configured to hold a quantity of starter oil for lubricating at least a portion of the transmission;
- and
- an oil filter disposed in fluid communication with the starter oil.
1 more element
A method for filtering oil in a starter, comprising:
- introducing starter oil from a cavity defined within the starter to flow into an oil filter disposed in fluid communication with the starter oil;
- filtering the starter oil through the oil filter;
- and
- outputting the filtered starter oil back into the cavity.
1 more element
A method, comprising:
- forming a gear for a turbomachine starter;
- and
- disposing gear teeth on the gear, wherein the gear teeth are shaped to include an airfoil shape.
Dependencies are inferred from the claim text.