Patent Awaiting formal examination

ໃບພັດນໍາທາງ

This Laos Patent “GUIDE VANE” is a public DIP intellectual-property record, filed by ANDRITZ TIYDRO GmbH on 2023-09-02; current status: Awaiting formal examination. Identifiers include application No. P/968; DIP id LAP968; protection kind Patent - PCT National Phase. Key dates: publication 2026-05-01. Classification: F03B 3/18. Inventor(s)/designer(s): PEYREDER, Rudolf WEISSENBERGER, Simon OSWALD, Markus. Abstract hint: The invention relates to a guide vane (1) for a guide wheel of a pump or turbine, comprising a guide vane body having two end faces (2), a…. Use LaoBiz.com to hop between this IP record, related filings by the same applicant, and the matched company profile when present.

Patent Laos DIP

App. no. P/968
Filing date 2023-09-02
Applicant ANDRITZ TIYDRO GmbH
Agent CONCETTI-LAO CO., LTD
Classes F03B 3/18

Mark

Key facts

Type
Patent
App. no.
P/968
Status
Awaiting formal examination
Applicant
ANDRITZ TIYDRO GmbH
Agent
CONCETTI-LAO CO., LTD
Filing date
2023-09-02
Publication
2026-05-01
Protection kind
Patent - PCT National Phase
PCT No.
PCT/AT2023/060037
Priority
AT · ATA50303/2022
Nice / IPC classes
F03B 3/18
Goods / services

Process

Steps follow the current public status
  1. Filed
  2. Formal examination In progress
  3. Substantive examination
  4. Published
  5. Granted

Related records

Linked from the LaoBiz.com company database

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Abstract

ການຄົ້ນພົບພົວພັນເຖິງໃບພັດນໍາທາງໜຶ່ງ (1) ສໍາລັບກົງນໍາພາໜຶ່ງຂອງເຄື່ອງສູບໜຶ່ງ ຫຼື ກັງຫັນ, ປະກອບດ້ວຍຕົນຕົວໃບພັດນໍາທາງໜຶ່ງມີສອງໜ້າສຸດທ້າຍ (2), ສົ້ນນໍາພາໃບພັດນໍາທາງໜຶ່ງ (3), ສົ້ນນໍາຮ່ອງໃບພັດນໍາທາງໜຶ່ງ (4), ເຊັ່ນດຽວກັນກັບໜ້າຂ້າງນໍາພາ-ໄຫຼ ທໍາອິດໜຶ່ງ (5) ແລະ ໜ້າຂ້າງນໍາພາ-ໄຫຼທີສອງໜຶ່ງ (5) ເຊິ່ງເຊື່ອມຕໍ່ສົ້ນນໍາທາງໃບພັດນໍາທາງ (3) ແລະ ສົ້ນມາຮອຍ ໃບພັດນໍາທາງ (4) ແລະ ສ້າງຮູບແບບການນໄຫຼແຕກຕ່າງກັນ (12) ຕາມແກນຂະຫຍາຍໜຶ່ງ, ແຕ່ລະອັນຂອງເຊິ່ງຮູບແບບການໄຫຼ (12) ມີການປະສານໜຶ່ງ (8), ເສັ້ນເປັນໂຄງເປັນໂຄ້ງຫຼັງອອງສະເລ່ຍໜຶ່ງ (9), ແລະ ມູມໂຄ້ງສຸດທ້າຍໂຄ້ງຫຼັງອອງສະເລ່ຍໜຶ່ງ (α) ທີ່ເຊິ່ງເສັ້ນໂຄ້ງຫຼັງອອງສະເລ່ຍ (9) ແມ່ນຖືກວາງຕໍາແໜ່ງຫາຕົວປະສານ (8) ທີ່ສົ້ນ ນໍາຮອຍໃບພັດນໍາທາງ (4), ບ່ອນທີ່ໃບພັດນໍາທາງ (1) ອາດຖືກຕັ້ງເຊັ່ນວ່າມັນສາມາດປິ່ນກ່ຽວກັບແກນໜຶ່ງຂອງການປິ່ນ (7) ເຊິ່ງ, ໂດຍສະເພາະແມ່ນຖືກລະບຸດ້ວຍສອງເຂັມປິ່ນອ້ອມແກນ (11). ເພື່ອເຮັດໃຫ້ການສູນເສຍໜ້ອຍທີ່ສຸດໃນລະບົບພະລັງໄຟຟ້ານໍ້າຕົກໜຶ່ງ ແລະ ໄດ້ຮັບປະສິດທິຜົນສູງໜຶ່ງ, ມັນໄດ້ຖືກສະໜອງອີງຕາມການຄົ້ນພົບທີ່, ໄປຕາມແກນຂະຫຍາຍ, ໃບພັດນໍາທາງ(1) ມີຢ່າງນ້ອຍໜຶ່ງຮູບແບບການໄຫຼ (12) ດ້ວຍມູມໂຄ້ງສຸດທ້າຍໂຄ້ງຫຼັງອອງສະເລ່ຍທາງບວກໜຶ່ງ (α) ແລະ ຢ່າງໜ້ອຍໜຶ່ງຮູບແບບການໄຫຼ (12) ດ້ວຍມູມໂຄ້ງສຸດທ້າຍໂຄ້ງຫຼັງອອງສະເລ່ຍທາງລົບໜຶ່ງ (α). ໂດຍເພີ່ມເຕີມ, ການຄົ້ນພົບ ພົວພັນເຖິງວິທີການໜຶ່ງສໍາລັບການອອກແບບລະບົບພະລັງໄຟຟ້ານໍ້າຕົກໜຶ່ງ, ໂດຍສະເພາະເຄື່ອງສູບໜຶ່ງ ຫຼື ກັງຫັນ, ມີກົງນໍາພາໜຶ່ງເຊິ່ງປະກອບດ້ວຍໃບພັດນໍາທາງ (1), ໂດຍສະເພາະກັງຫັນກັບຕັນ ຫຼື ພະລັງຊິດໜຶ່ງ, ບ່ອນທີ່ດ້ວຍຕົວປ່ຽນຂອງຕົວປ່ຽນການອອກແບບ, ຕົວປ່ຽນແຕກຕ່າງແມ່ນຖືກສ້າງ ແລະ ເງື່ອນໄຂ ແລະ ເງື່ອນໄຂການໄຫຼນັ້ນອາດແມ່ນໄດ້ຮັບດ້ວຍການປະຕິບັດການຕົວປຽ່ນສ່ວນຕົວ ແມ່ນຖືກກໍານົດ, ໂດຍສະເພາະດ້ວຍວິທີການຂອງການຈໍາລອງການໄຫຼໜຶ່ງ ຫຼື ດ້ວຍການທົດສອບ, ບ່ອນທີ່ຂື້ນກັບ, ຂຶ້ນກັບເງື່ອນໄຂການໄຫຼນັ້ນອາດແມ່ນໄດ້ຮັບ, ໜຶ່ງຕົວປ່ຽນແມ່ນຖືກຄັດເລືອກ, ໂດຍສະເພາະຕົວປ່ຽນດ້ວຍເຊິ່ງຕົວປະສິດທິຜົນເໝາະທີ່ສຸດໜຶ່ງແມ່ນໄດ້ຮັບ.

The invention relates to a guide vane (1) for a guide wheel of a pump or turbine, comprising a guide vane body having two end faces (2), a guide vane leading edge (3), a guide vane trailing

edge (4), as well as a first flow-guiding side face (5) and a second flow-guiding side face (5)

which connect the guide vane leading edge (3) and the guide vane trailing edge (4) and form

different flow profiles (12) along an axial extension, each of which flow profiles (12) has a chord

(8), a mean camber line (9), and a mean camber curve end angle (α) at which the mean camber

line (9) is positioned to the chord (8) at the guide vane trailing edge (4), wherein the guide vane

(1) can be mounted such that it can rotate about an axis of rotation (7) which, in particular, is

defined by two pivot pins (11). In order to minimize losses in a hydroelectric power system and

achieve a high efficiency, it is provided according to the invention that, along the axial extension,

the guide vane (1) has at least one flow profile (12) with a positive mean camber curve end angle

(α) and at least one flow profile (12) with a negative mean camber curve end angle (α). In addition, the invention relates to a method for designing a hydroelectric power system, inparticular a pump or turbine, having a guide wheel which comprises guide vanes (1), inparticular a Kaplan or Francis turbine, wherein by the varying of design parameters, differentvariants are formed and flow conditions that can be achieved by implementing the individualvariants are determined, in particular by means of a flow simulation or by tests, whereupon, depending on flow conditions that can be achieved, one of the variants is selected, in particularthe variant with which an efficiency optimum is obtained.

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