Patent US4026252A successfully refreshed from Google Patents.
US4026252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine construction
Assignee: Individual
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Filing: 1975-08-08
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Granted: 1977-05-31
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Expires: 1995-08-08
Abstract
Abstract A two-cycle engine wherein a pair of pistons are mounted within a pair of cylinders which are arranged in an oppositely facing in-line manner with the connecting rods of both pistons being also in-line and rotatably mounted upon a crank shaft, the crank shaft extending through and rotatably mounted in respect to a planetary gear carrier. The planetary gear carrier is rotatably mounted within the housing to which the cylinders are fixed, the crank shaft being eccentrically mounted within said planetary gear carrier, said planetary gear carrier having an external ring gear mounted on the periphery thereof, said external ring gear to connect with an output gear assembly, said crank shaft having mounted thereon an internal gear, said internal gear located exteriorly of said planetary crank carrier, said internal gear being operatively connected to a ring gear which is fixed to the housing, the size of the internal gear being one-half the diameter of the internal ring gear, said crank shaft extending exteriorly of said housing and including counterweight means mounted thereon, said planetary crank carrier including counterweight means. A universal joint interconnects the connecting rod and the piston. A novel intake port arrangement is employed to inject fuel air mixture into each cylinder.
Inventors
- 👤 John W. Wrin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:30
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/24; F02B75/246; F01; F01B; F01B1/00; F01B1/06; F01B1/062; F01B9/00; F01B9/02; F01B9/026; F02B61/00; F02B61/06; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
259 words
An engine comprising: a housing; a pair of cylinders attached to said housing arranged in an oppositely facing in-line manner; a piston movably mounted within each of said cylinders, each said piston connected to a connecting rod, each said connecting rod being rotatably mounted upon a crank pin of a crank shaft, said connecting rods having a rotational axis defined as a first axis, said first axis being displaced from the axis of said crank shaft; a planet gear assembly attached to said crank shaft with the rotating axis of said planet gear assembly coinciding with said crank shaft axis, said planet gear assembly including at least one in number of planet gears, said planet gear assembly operatively connected with an internal ring gear assembly, said internal ring gear assembly including at least one in number of internal ring gears, the diameter of said planet gear being one-half the diameter of said internal ring gear; and a planetary crank carrier assembly located about said crank shaft, said planetary crank carrier assembly including at least one in number of planetary crank carriers, said crank shaft being rotatably mounted within said planetary crank carrier assembly, said planetary crank carrier assembly being rotatably mounted to said housing, said crank shaft being eccentrically located with respect to the rotating axis of said planetary crank carrier assembly, a said planetary crank carrier located between a said crank pin and a said internal ring gear, said planetary crank carrier assembly being operatively connected to an output gear assembly which is connected to an output shaft.
Claim 2
Dependent Claim
259 words
An engine comprising: a housing; a pair of cylinders attached to said housing arranged in an oppositely facing in-line manner; a piston movably mounted within each of said cylinders, each said piston connected to a connecting rod, each said connecting rod being rotatably mounted upon a crank pin of a crank shaft, said connecting rods having a rotational axis defined as a first axis, said first axis being displaced from the axis of said crank shaft; a planet gear assembly attached to said crank shaft with the rotating axis of said planet gear assembly coinciding with said crank shaft axis, said planet gear assembly including at least one in number of planet gears, said planet gear assembly operatively connected with an internal ring gear assembly, said internal ring gear assembly including at least one in number of internal ring gears, the diameter of said planet gear being one-half the diameter of said internal ring gear; and a planetary crank carrier assembly located about said crank shaft, said planetary crank carrier assembly including at least one in number of planetary crank carriers, said crank shaft being rotatably mounted within said planetary crank carrier assembly, said planetary crank carrier assembly being rotatably mounted to said housing, said crank shaft being eccentrically located with respect to the rotating axis of said planetary crank carrier assembly, a said planetary crank carrier located between a said crank pin and a said internal ring gear, said planetary crank carrier assembly being operatively connected to an output gear assembly which is connected to an output shaft.
Claim 3
Dependent Claim
76 words
The engine as defined in claim 1 wherein: said planet gear assembly comprises at least two in number of planet gears, said internal ring gear assembly comprises at least two in number of internal ring gears, a single said planet gear being operatively connected with a single said internal ring gear, a said internal ring gear and its repsective said planet gear being located on opposite sides of said crank pin and being equally displaced therefrom.
Claim 4
Dependent Claim
17 words
The engine as defined in claim 1 wherein: said connecting rods being mounted in an in-line relationship.
Claim 5
Dependent Claim
37 words
The engine as defined in claim 1 wherein: said output gear assembly comprising two separate spaced apart output gears, each said output gears being located on opposite sides of said crank pin and being equally spaced therefrom.
Claim 6
Dependent Claim
25 words
The engine as defined in claim 4 wherein: the rotating axis of said output shaft being parallel to the rotating axis of said crank shaft.
Claim 7
Dependent Claim
75 words
The engine as defined in claim 5 wherein: said planetary crank carrier assembly comprising two in number of planetary crank carrier, a said planetary crank carrier being located on opposite sides of said crank pin and being equally displaced therefrom, each said planetary crank carrier being connected to an external ring gear mounted upon the periphery of each said planetary crank carrier, each said external ring gears being operatively connected to said output gear assembly.
Claim 8
Dependent Claim
32 words
The engine as defined in claim 1 wherein: said crank shaft extends exteriorly of said housing forming an exterior portion of said crank shaft, a counterweight being mounted on said exterior portion.
Claim 9
Dependent Claim
17 words
The engine as defined in claim 1 including: a counterweight attached to said planetary crank carrier assembly.
Claim 10
Dependent Claim
76 words
The engine as defined in claim 6 wherein: said planet gear assembly comprises at least two in number of planet gears, said internal ring gear assembly comprises at least two in number of internal ring gears, a single said planet gear being operatively connected with a single said internal ring gear, a said internal ring gear and its respective said planet gear being located on opposite sides of said crank pin and being equally displaced therefrom.
Claim 11
Dependent Claim
26 words
The engine as defined in claim 9 wherein: each said internal ring gear being inserted within a said planetary crank carrier with rotational movement permitted therebetween.
Claim 12
Dependent Claim
37 words
The engine as defined in claim 10 wherein: said output gear assembly comprising two separate spaced apart output gears, each said output gears being located on opposite sides of said crank pin and being equally spaced therefrom.
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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) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |