Patent US3313282A successfully refreshed from Google Patents.
US3313282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection pump governor
Assignee: Allis Chalmers Corp
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Filing: 1964-12-21
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Granted: 1967-04-11
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Dreisin Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:05
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/08; F02M41/10; F02M41/12; F02M41/123; F02M41/125; F02M41/126; F02D; F02D1/00; F02D1/02; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0284; F02D2700/0292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A FUEL INJECTION PUMP AND GOVERNOR COMPRISING: A HOUSING INCLUDING WALLS DEFINING A SUPPLY CHAMBER, AND A PLUNGER BORE OPENING AT ONE END INTO SAID SUPPLY CHAMBER, A PUMP PLUNGER RECIPROCABLY AND ROTATABLY MOUNTED IN SAID BORE AND HAVING A FUEL INLET PORTION IN SAID SUPPLY CHAMBER, A CONTROL SLEEVE RECEIVING SAID PLUNGER IN SURROUNDING AND CONTROLLING RELATION TO SAID INLET PORTION AND PIVOTALLY AND RECIPROCALLY MOUNTED IN SAID HOUSING FOR PIVOTAL AND RECIPROCAL MOVEMENTS RELATIVE TO SAID HOUSING, MEANS FOR ROTATING AND RECIPROCATING SAID PLUNGER RELATIVE TO SAID SLEEVE AND SAID HOUSING INCLUDING A DRIVE SHAFT, MECHANICAL MEANS OPERATING SAID CONTROL SLEEVE FOR EFFECTING ONE OF SAID PIVOTAL AND RECIPROCAL MOVEMENTS OF SAID CONTROL SLEEVE IN RESPONSE TO CHANGES IN SPEED OF ROTATION OF SAID SHAFT, MEANS SUPPLYING FUEL TO SAID SUPPLY CHAMBER AND CAUSING THE PRESSURE THEREIN TO INCREASE WITH INCREASING ROTARY SPEED OF SAID SHAFT, AND HYDRAULIC MEANS FOR EFFECTING THE OTHER OF SAID PIVOTAL AND RECIPROCAL MOVEMENTS OF SAID CONTROL SLEEVE IN RESPONSE TO PRESSURE CHANGES IN SAID SUPPLY CHAMBER.
Claim 2
Dependent Claim
174 words
A FUEL INJECTION PUMP AND GOVERNOR COMPRISING: A HOUSING INCLUDING WALLS DEFINING A SUPPLY CHAMBER, AND A PLUNGER BORE OPENING AT ONE END INTO SAID SUPPLY CHAMBER, A PUMP PLUNGER RECIPROCABLY AND ROTATABLY MOUNTED IN SAID BORE AND HAVING A FUEL INLET PORTION IN SAID SUPPLY CHAMBER, A CONTROL SLEEVE RECEIVING SAID PLUNGER IN SURROUNDING AND CONTROLLING RELATION TO SAID INLET PORTION AND PIVOTALLY AND RECIPROCALLY MOUNTED IN SAID HOUSING FOR PIVOTAL AND RECIPROCAL MOVEMENTS RELATIVE TO SAID HOUSING, MEANS FOR ROTATING AND RECIPROCATING SAID PLUNGER RELATIVE TO SAID SLEEVE AND SAID HOUSING INCLUDING A DRIVE SHAFT, MECHANICAL MEANS OPERATING SAID CONTROL SLEEVE FOR EFFECTING ONE OF SAID PIVOTAL AND RECIPROCAL MOVEMENTS OF SAID CONTROL SLEEVE IN RESPONSE TO CHANGES IN SPEED OF ROTATION OF SAID SHAFT, MEANS SUPPLYING FUEL TO SAID SUPPLY CHAMBER AND CAUSING THE PRESSURE THEREIN TO INCREASE WITH INCREASING ROTARY SPEED OF SAID SHAFT, AND HYDRAULIC MEANS FOR EFFECTING THE OTHER OF SAID PIVOTAL AND RECIPROCAL MOVEMENTS OF SAID CONTROL SLEEVE IN RESPONSE TO PRESSURE CHANGES IN SAID SUPPLY CHAMBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |