§
Luxuse
Patent Intelligence
Sign In
← Back to Patent Explorer
US4584901A Expired / Lapsed US ⏱️ 0.0 years remaining

Torsional vibration balancer

Assignee: Hasse and Wrede GmbH
•
Filing: 1983-05-27
•
Granted: 1986-04-29
•
Expires: 2003-05-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A torsional vibration balancer, especially for piston type apparatus having a secondary side seismic mass radially outside a primary member connected to a shaft to be damped. Damping boxes for the resilient and damped coupling of the seismic mass are attached, as replaceable components, to one of the secondary structural elements, preferably to a support disc for the seismic mass. At the interior of the damping boxes there is at least one fitted bolt or similar element, which extends under seal out of the damping box and is fixed to the primary member. This fitted bolt carries shear sheets which are plane parallel and perpendicular to the axis of rotation, and between which stationary metal sheets extend within and are connected to the damping boxes. The spaces between the shear sheets and the metal sheets are filled with silicon oil which is subject to alternate sheaving during relative movements of the sheets. The damping boxes are preferably located, at an angular distance from one another, between springs for guiding the primary and secondary members of the device.

Inventors

  • 👤 Joachim Conseur

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 16:51
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/16; F16F15/167; Y; Y10; Y10S; Y10S416/00; Y10S416/50; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2122; Y10T74/2125

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 128 words
Torsional vibration balancer with a viscous damping medium, having an annular seismic mass extending radially beyond a primary member and being guided for smooth rotating movement by a plurality of spring means located opposite said primary member, damping boxes for resilient, damped coupling of said seismic mass being arranged between said primary member and said seismic mass, wherein said damping boxes are attached to a secondary side structural member, said damping boxes having shear sheets extending therein which are connected via at least one intermediate member with said primary member, said damping boxes further having metal sheets extending therein and connected thereto, said metal sheets extending in spaced relation between said shear sheets, the spaces between said metal sheets and said shear sheets being filled with silicon oil.
Claim 2
Dependent Claim 128 words
Torsional vibration balancer with a viscous damping medium, having an annular seismic mass extending radially beyond a primary member and being guided for smooth rotating movement by a plurality of spring means located opposite said primary member, damping boxes for resilient, damped coupling of said seismic mass being arranged between said primary member and said seismic mass, wherein said damping boxes are attached to a secondary side structural member, said damping boxes having shear sheets extending therein which are connected via at least one intermediate member with said primary member, said damping boxes further having metal sheets extending therein and connected thereto, said metal sheets extending in spaced relation between said shear sheets, the spaces between said metal sheets and said shear sheets being filled with silicon oil.
Claim 3
Dependent Claim 50 words
Torsional vibration balancer according to claim 1, wherein said at least one intermediate member comprises a fitted bolt extending from a supporting body connected with said damping box, and said shear sheets are parallel to one another and extend in planes perpendicular to the rotational axis of said fitted bolt.
Claim 4
Dependent Claim 32 words
Torsional vibration balancer according to claim 2, wherein the openings for said fitted bolts into said damping boxes are sealed by means of a vulcanized, radially resilient, silicon oil containing elastomer seal.
Claim 5
Dependent Claim 36 words
Torsional vibration balancer according to claim 2 or 3, wherein the fitted bolts for mounting said primary side shear sheets are connected to a statically redundant frame member for the purpose of reducing alternating bending demands.
Claim 6
Dependent Claim 27 words
Torsional vibration balancer according to claim 1 or 2, wherein stiffening elements of limited length are impressed on both top surfaces of said primary side shear sheets.
Claim 7
Dependent Claim 32 words
Torsional vibration balancer according to any one of claims 1, 2 or 3, wherein said damping boxes are attached on their secondary sides to a support disc carrying a replaceable supplemental mass.

References Cited (Backward Citations)

DE159653C Cited
CA458602A Cited
US2535958A Cited
US2659244A Cited
FR1017688A Cited
US2898777A Cited
US3823619A Cited
DE2361956A1 Cited
US4172510A Cited
US4422347A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-04-28 1989-10-28 1990-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-04-28 1993-10-28 1994-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-04-28 1997-10-28 1998-04-29 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag