CA2193653A1 - Self-scavenging, hybrid lubrication subsystem - Google Patents

Self-scavenging, hybrid lubrication subsystem

Info

Publication number
CA2193653A1
CA2193653A1 CA002193653A CA2193653A CA2193653A1 CA 2193653 A1 CA2193653 A1 CA 2193653A1 CA 002193653 A CA002193653 A CA 002193653A CA 2193653 A CA2193653 A CA 2193653A CA 2193653 A1 CA2193653 A1 CA 2193653A1
Authority
CA
Canada
Prior art keywords
gearbox
lubricating medium
sump
nozzle
scavenging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002193653A
Other languages
French (fr)
Other versions
CA2193653C (en
Inventor
Jules G. Kish
Stephen R. Sammataro
Charles J. Isabelle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sikorsky Aircraft Corp
Original Assignee
Jules G. Kish
Stephen R. Sammataro
Charles J. Isabelle
United Technologies Corporation Sikorsky Aircraft Divison
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/263,584 external-priority patent/US5411116A/en
Application filed by Jules G. Kish, Stephen R. Sammataro, Charles J. Isabelle, United Technologies Corporation Sikorsky Aircraft Divison filed Critical Jules G. Kish
Publication of CA2193653A1 publication Critical patent/CA2193653A1/en
Application granted granted Critical
Publication of CA2193653C publication Critical patent/CA2193653C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A self-scavenging, hybrid lubrication subsystem for a main transmission gearbox includes a sump that is fabricated as an integral structural extension of the gearbox so that the dynamic fluid level of the lubricating medium in the sump is a predetermined distance above the bottom (18) of the gearbox. The radial discontinuity between the cylindrical (22) and throat segments (26) in combination define a nozzle inlet (28) that is operative to direct outflow of the lubricating medium collected in the bottom of the gearbox to another sump with higher fluid level by means of a nozzle (60). The interaction between the peripheral surface of the rotating annular planetary carrier plate and the structurally-modified side wall of the gearbox exerts a viscous pumping action on the lubricating medium in the flow channels causing the lubricating medium to flow therethrough and being transported through the nozzle (60) to a higher level.
CA002193653A 1994-06-22 1995-05-30 Self-scavenging, hybrid lubrication subsystem Expired - Fee Related CA2193653C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/263,584 US5411116A (en) 1994-06-22 1994-06-22 Self-scavenging, hybrid lubrication subsystem
US08/263,584 1994-06-22
PCT/US1995/006396 WO1995035455A1 (en) 1994-06-22 1995-05-30 Self-scavenging, hybrid lubrication subsystem

Publications (2)

Publication Number Publication Date
CA2193653A1 true CA2193653A1 (en) 1995-12-28
CA2193653C CA2193653C (en) 2006-03-21

Family

ID=36101503

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002193653A Expired - Fee Related CA2193653C (en) 1994-06-22 1995-05-30 Self-scavenging, hybrid lubrication subsystem

Country Status (1)

Country Link
CA (1) CA2193653C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109812569A (en) * 2019-03-29 2019-05-28 广西玉柴机器股份有限公司 A kind of structure of rear gear chamber type matching automatic gear-box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109812569A (en) * 2019-03-29 2019-05-28 广西玉柴机器股份有限公司 A kind of structure of rear gear chamber type matching automatic gear-box
CN109812569B (en) * 2019-03-29 2024-03-08 广西玉柴机器股份有限公司 Structure of automatic gearbox matched with rear gear chamber model

Also Published As

Publication number Publication date
CA2193653C (en) 2006-03-21

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20130530