← Back to Patent Explorer
US3269370A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotor cooling means for rotary mechanism

Assignee: Wankel GmbH
•
Filing: 1963-10-23
•
Granted: 1966-08-30
•
Expires: 1983-10-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Paschke Hanns-Dieter
  • 👤 Hoffmann Gunter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:16
CPC Classifications
F; F02; F02B; F02B55/00; F02B55/02; F02B55/04; F02B53/00; F02B2053/005; F02B2730/00; F02B2730/01; F02B2730/018; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 299 words
A COOLING FLUID DISCHARGE MEANS FOR A ROTARY MECHANISM HAVING AN OUTER BODY INCLUDING A PERIPHERAL HOUSING INTERCONNECTED WITH A PAIR OF END HOUSINGS WITH THE PROFILE OF SAID PERIPHERAL HOUSING BEING PERFERABLY BASICALLY AN EPITROCHOID, A SHAFT SUPPOSTED COAXIALLY WITH SAID OUTER BODY AND HAVING ECCENTRIC PORTION THEREON A ROTOR SUPPORTED ON SAID ECCENTRIC PORTION WITH THE AXIS OF SAID ROTOR BEING PARALLEL TO SAID HOUSING AXIS BUT SPACED THEREFROM, SAID ROTOR BEING ROTATABLE RELATIVE TO SAID ECCENTRIC PORTION AND SAID HOUSING AXIS AND THEREBY DESCRIBING A PLANETARY MOTION SUCH THAT ACCELERATION FORCES ARE PRODUCED IN SAID ROTOR WHICH SUCCESSIVELY CHANGE DIRECTION, SAID ROTOR BEING HOLLOW AND HAVING A PLURALITY OF COOLING COMPARTMENTS THEREIN WITH INLET AND OUTLET OPENINGS IN EACH SAID COMPARTMENT FOR RECEIVING AND DRAINING A COOLING FLUID IN AND OUT OF SAID COMPARTMENTS, SAID COOLING FLUID DISCHARGE MEANS COMPRISING; A COOLING FLUID COLLECTING MEMBER CONNECTED FOR ROTATION WITH SAID SHAFT RELATIVE TO SAID ROTOR, SAID COOLING FLUID COLLECTING MEMBER INCLUDING COOLING FLUID COLLECTING MEANS HAVING A PLURALITY OF COOLING FLUID COLLECTING POCKETS SURROUNDING AT LEAST A PORTION OF SAID SHAFT, SAID COOLING FLUID COLLECTING POCKETS BEING DISPOSED IN AXIALLY SPACED RELATIONSHIP WITH SAID SHAFT ECCENTRIC PORTION AND SUBSTANTIALLY DIAMETRICALLY OPPOSITE TO THE MAXIMUM ECCENTRICITY REGION OF SAID SHAFT ECCENTRIC PORTION, SAID COOLING FLUID COLLECTING POCKETS BEING FURTHER DISPOSED SUCH THAT DURING RELATIVE ROTATION BETWEEN SAID COLLING FLUID COLLECTING MEMBER AND SAID ROTOR, SAID COOLING FLUID COLLECTING POCKETS WILL BE POSITIONED ADJACENT A ROTOR COMPARTMENT OUTLET OPENING WHEN THE ACCELERATION FORCES ARE ACTING RADIALLY INWARDLY RELATIVE TO SAID ROTOR COMPARTMENT OUTLET OPENING WHEREBY THE COOLING FLUID WILL BE DISCHARGED THROUGH SAID ROTOR COMPARTMENT OUTLET OPENING INTO SAID COOLING FLUID COLLECTING MEANS FOR DISCHARGING THE COOLING FLUID FROM THE ROTARY MECHANISM THROUGH SAID COOLING FLUID COLLECTING MEMBER.
Claim 2
Dependent Claim 299 words
A COOLING FLUID DISCHARGE MEANS FOR A ROTARY MECHANISM HAVING AN OUTER BODY INCLUDING A PERIPHERAL HOUSING INTERCONNECTED WITH A PAIR OF END HOUSINGS WITH THE PROFILE OF SAID PERIPHERAL HOUSING BEING PERFERABLY BASICALLY AN EPITROCHOID, A SHAFT SUPPOSTED COAXIALLY WITH SAID OUTER BODY AND HAVING ECCENTRIC PORTION THEREON A ROTOR SUPPORTED ON SAID ECCENTRIC PORTION WITH THE AXIS OF SAID ROTOR BEING PARALLEL TO SAID HOUSING AXIS BUT SPACED THEREFROM, SAID ROTOR BEING ROTATABLE RELATIVE TO SAID ECCENTRIC PORTION AND SAID HOUSING AXIS AND THEREBY DESCRIBING A PLANETARY MOTION SUCH THAT ACCELERATION FORCES ARE PRODUCED IN SAID ROTOR WHICH SUCCESSIVELY CHANGE DIRECTION, SAID ROTOR BEING HOLLOW AND HAVING A PLURALITY OF COOLING COMPARTMENTS THEREIN WITH INLET AND OUTLET OPENINGS IN EACH SAID COMPARTMENT FOR RECEIVING AND DRAINING A COOLING FLUID IN AND OUT OF SAID COMPARTMENTS, SAID COOLING FLUID DISCHARGE MEANS COMPRISING; A COOLING FLUID COLLECTING MEMBER CONNECTED FOR ROTATION WITH SAID SHAFT RELATIVE TO SAID ROTOR, SAID COOLING FLUID COLLECTING MEMBER INCLUDING COOLING FLUID COLLECTING MEANS HAVING A PLURALITY OF COOLING FLUID COLLECTING POCKETS SURROUNDING AT LEAST A PORTION OF SAID SHAFT, SAID COOLING FLUID COLLECTING POCKETS BEING DISPOSED IN AXIALLY SPACED RELATIONSHIP WITH SAID SHAFT ECCENTRIC PORTION AND SUBSTANTIALLY DIAMETRICALLY OPPOSITE TO THE MAXIMUM ECCENTRICITY REGION OF SAID SHAFT ECCENTRIC PORTION, SAID COOLING FLUID COLLECTING POCKETS BEING FURTHER DISPOSED SUCH THAT DURING RELATIVE ROTATION BETWEEN SAID COLLING FLUID COLLECTING MEMBER AND SAID ROTOR, SAID COOLING FLUID COLLECTING POCKETS WILL BE POSITIONED ADJACENT A ROTOR COMPARTMENT OUTLET OPENING WHEN THE ACCELERATION FORCES ARE ACTING RADIALLY INWARDLY RELATIVE TO SAID ROTOR COMPARTMENT OUTLET OPENING WHEREBY THE COOLING FLUID WILL BE DISCHARGED THROUGH SAID ROTOR COMPARTMENT OUTLET OPENING INTO SAID COOLING FLUID COLLECTING MEANS FOR DISCHARGING THE COOLING FLUID FROM THE ROTARY MECHANISM THROUGH SAID COOLING FLUID COLLECTING MEMBER.

References Cited (Backward Citations)

US3042009A Cited
US3091386A Cited
US3102682A Cited
US3168237A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-29 1970-02-28 1970-08-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-29 1974-02-28 1974-08-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-29 1978-02-28 1978-08-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag