Inventor

PARNIN FRANCIS

US38 patents

⚠️ This page may combine multiple inventors who share the name “PARNIN FRANCIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PARNIN FRANCIS

UNITED TECHNOLOGIES CORP

Auxiliary journal oil supply system

Gravity operated valve

Two tier lubrication system

Lubricant valve monitoring method and assembly

Auxiliary pump and gas turbine engine oil circuit monitoring system

Active system for bearing oil damper supply and vibration control

Auxiliary lubrication system with flow management valve

Fan drive gear system auxiliary pump monitoring system

Tandem dual element intershaft carbon seal

Apparatus and method for providing fluid to a bearing damper

Lubrication system for gas turbine engines

Intershaft compartment buffering arrangement

Vented buffer air supply for intershaft seals

Turbine engine lubrication system with wash flow filter

Auxiliary lubricant supply pump stage integral with main lubricant pump stage

Gas turbine engine lubrication system and apparatus with boost pump system

Method and system to ensure full oil tubes after gas turbine engine shutdown

Lubrication system for gas turbine engines

Lubrication system for gas turbine engines

FDGS auxiliary pump monitoring system

Apparatus and method for providing fluid to a bearing damper

Lubrication system for gas turbine engines

Fluid diffusion device for sealed bearing compartment drainback system

Lubrication system for gas turbine engines

Auxiliaryy fluid flow system debris filter

Buffer system for gas turbine engine

PARNIN FRANCIS

Windmill and zero gravity lubrication system for a gas turbine engine

Lubrication arrangement for a gas turbine engine gear assembly

Electronic means for detecting buffered main shaft seal wear or failure in a turbine engine

Bypass arrangement of a lubrication valve for a gas turbine engine gear assembly

RAYTHEON TECH CORP

Method and system to ensure full oil tubes after gas turbine engine shutdown

Electronically controlled pressure relief system for an engine

Geared gas turbine with oil scavenge ejector pump assist

DIBENEDETTO ENZO

Oil bypass channel deaerator for a geared turbofan engine

Valve for controlling flow of a turbomachine fluid

RTX CORP

Fan drive gear system gutter ejector system

Fan drive gear system rotating oil baffle

UNITED TECHNLOLOGIES CORP

Internal tube oil coke prevention geometry