FRANCIS TURBINE WITH SHORT BLADE AND SHORT BAND
LaoBiz.com profiles the Laos Patent “FRANCIS TURBINE WITH SHORT BLADE AND SHORT BAND” from open registry fields, filed by Andritz Hydro Ltd on 2015-04-30; current status: Awaiting formal examination. Identifiers include application No. P/480; DIP id LAP480; protection kind Patent - PCT National Phase. Key dates: publication 2025-12-19. Classification: F03B 3/02、F03B 3/12. Inventor(s)/designer(s): Seven Von Fellenberg. Abstract hint: A Francis turbine runner including a shortened band length and a shortened blade length combined with a reversed runner blade leading edge…. This prose is informational only and does not constitute legal advice, ownership proof or an infringement opinion.
P/480
Mark
Key facts
- Type
- Patent
- App. no.
P/480- Status
- Awaiting formal examination
- Applicant
- Andritz Hydro Ltd
- Agent
- Tilleke & Gibbins Lao Co.,Ltd
- Filing date
- 2015-04-30
- Publication
- 2025-12-19
- Protection kind
- Patent - PCT National Phase
- Priority
- CA · 62/027, 910 · 2014-07-23
- Applicant address
- Andritz Hydro Ltd · 6100 Trans-Canada Hwy. Pointe-Claire, Québec H9R 1B9 · CA
- Agent address
- Tilleke & Gibbins Lao Co.,Ltd · Road, Village, District, Vientiane Capital Lao PDR · LA
- Nice / IPC classes
- F03B 3/02 · F03B 3/12
- Goods / services
- —
Process
Steps follow the current public status-
Filed
-
Formal examination In progress
-
Substantive examination
-
Published
-
Granted
Related records
Linked from the LaoBiz.com company databaseSimilar Patent
Abstract
A Francis turbine runner including a shortened band length and a shortened blade length combined with a reversed runner blade leading edge having a junction of the leading edge with the band forerunning a junction of the leading edge with the crown in the rotational direction, and a bandless runner including a shortened periphery length and a shortened blade length combined with a reversed runner blade leading edge having a corner of the leading edge at the outer periphery of the runner that is in advance of where the leading edge joins the crown in the rotational direction. Additional feature includes an inverted trailing edge curvature design on the runner blade that further shortens the blade length.
A Francis turbine runner including a shortened band length and a shortened blade length combined with a reversed runner blade leading edge having a junction of the leading edge with the band forerunning a junction of the leading edge with the crown in the rotational direction, and a bandless runner including a shortened periphery length and a shortened blade length combined with a reversed runner blade leading edge having a corner of the leading edge at the outer periphery of the runner that is in advance of where the leading edge joins the crown in the rotational direction. Additional feature includes an inverted trailing edge curvature design on the runner blade that further shortens the blade length.
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