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1. WO2022072433 - GYROSCOPIC ROLL STABILIZER WITH FLYWHEEL CAVITY SEAL ARRANGEMENT

Publication Number WO/2022/072433
Publication Date 07.04.2022
International Application No. PCT/US2021/052561
International Filing Date 29.09.2021
Chapter 2 Demand Filed 23.03.2022
IPC
B63J 3/04 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
JAUXILIARIES ON VESSELS
3Driving of auxiliaries
04from power plant other than propulsion power plant
B63B 39/04 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
39Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
04to decrease vessel movements by using gyroscopes directly
G01C 19/20 2006.1
GPHYSICS
01MEASURING; TESTING
CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
19Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
02Rotary gyroscopes
04Details
16Suspensions; Bearings
20in fluid
F16C 35/073 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
35Rigid support of bearing units; Housings, e.g. caps, covers
04in the case of ball or roller bearings
06Mounting of ball or roller bearings; Fixing them onto shaft or in housing
07Fixing them on the shaft or housing with interposition of an element
073between shaft and inner race ring
F16C 35/077 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
35Rigid support of bearing units; Housings, e.g. caps, covers
04in the case of ball or roller bearings
06Mounting of ball or roller bearings; Fixing them onto shaft or in housing
07Fixing them on the shaft or housing with interposition of an element
077between housing and outer race ring
CPC
B63B 39/04
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
39Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
04to decrease vessel movements by using gyroscopes directly
B63J 3/04
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
JAUXILIARIES ON VESSELS
3Driving of auxiliaries
04from power plant other than propulsion power plant
F16C 35/073
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
35Rigid support of bearing units; Housings, e.g. caps, covers
04in the case of ball or roller bearings
06Mounting ; or dismounting; of ball or roller bearings; Fixing them onto shaft or in housing
07Fixing them on the shaft or housing with interposition of an element
073between shaft and inner race ring
F16C 35/077
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
35Rigid support of bearing units; Housings, e.g. caps, covers
04in the case of ball or roller bearings
06Mounting ; or dismounting; of ball or roller bearings; Fixing them onto shaft or in housing
07Fixing them on the shaft or housing with interposition of an element
077between housing and outer race ring
G01C 19/20
GPHYSICS
01MEASURING; TESTING
CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
19Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
02Rotary gyroscopes
04Details
16Suspensions; Bearings
20in fluid
Applicants
  • WAVETAMER LLC [US]/[US]
Inventors
  • SOHACKI, Brian John
Agents
  • BENNETT, David
Priority Data
63/085,34930.09.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) GYROSCOPIC ROLL STABILIZER WITH FLYWHEEL CAVITY SEAL ARRANGEMENT
(FR) STABILISATEUR DE ROULIS GYROSCOPIQUE AVEC AGENCEMENT DE JOINT D'ÉTANCHÉITÉ DE CAVITÉS DE VOLANT
Abstract
(EN) A gyroscopic roll stabilizer for a boat includes a flywheel shaft having a first end and an opposite second end. The flywheel shaft has first and second open-ended cavities formed on opposing ends. A first uneven seal encloses the first cavity, and a second uneven seal encloses the second cavity. The first and second uneven seals are both configured to provide asymmetric sealing such that greater resistance is provided against flow in a primary sealing direction, from a first side toward a second side, than in a secondary sealing direction, from the second side toward the first side. The first side of the second seal faces inward toward the second cavity, and the second side of the first seal faces inward toward the first cavity. The first and second seals are functionally inverted relative to each other. Related methods are also disclosed.
(FR) Un stabilisateur de roulis gyroscopique pour un bateau comprend un arbre de volant ayant une première extrémité et une seconde extrémité opposée. L'arbre de volant comporte des première et seconde cavités à extrémité ouverte formées sur des extrémités opposées. Un premier joint d'étanchéité irrégulier entoure la première cavité, et un second joint d'étanchéité irrégulier entoure la seconde cavité. Les premier et second joints irréguliers sont tous deux conçus pour assurer une étanchéité asymétrique de sorte qu'une plus grande résistance soit fournie contre l'écoulement dans une direction d'étanchéité primaire, depuis un premier côté vers un second côté, que dans une direction d'étanchéité secondaire, du second côté vers le premier côté. Le premier côté du second joint est tourné vers l'intérieur en direction de la seconde cavité, et le second côté du premier joint est tourné vers l'intérieur en direction de la première cavité. Les premier et second joints d'étanchéité sont fonctionnellement inversés l'un par rapport à l'autre. L'invention divulgue également des procédés associés.
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