Patent US4727794A successfully refreshed from Google Patents.
US4727794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radial engine
Assignee: CKE TECHNOLOGIES Inc
•
Filing: 1987-01-20
•
Granted: 1988-03-01
•
Expires: 2007-01-20
Abstract
Abstract The disclosure teaches a novel radial engine. In accordance with the teachings of the disclosure, the radial engine includes a housing and a plurality of equally spaced openings disposed in a ring-like arrangement on the periphery of the housing. A respective piston and cylinder arrangement is located in each opening, and the piston rod of each piston and cylinder arrangement extends inwardly from its respective piston through its respective opening. A shoe means is pivotally attached at the other end of each piston rod, and a connecting ring is mounted for circular translation motion on the crankshaft within the housing. A respective channel or guides extend radially inward in the housing in line with each piston rod to permit radially inward motion of the shoe means and to guide the connecting rod block in this motion. Each shoe means is guidably connected to the peripheral edge of the connecting ring.
Inventors
- 👤 Marek A. Kmicikiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:04
CPC Classifications
F; F01; F01B; F01B1/00; F01B1/06; F01B1/062; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
141 words
A radial engine comprising: a housing; a plurality of equally spaced openings disposed in ring-like arrangement on the periphery of said housing; a piston and cylinder arrangement in each said opening, a piston rod for each arrangement fixed to and extending radially inwardly from its respective piston and through its respective opening; shoe means pivotally attached at the other end of each said piston rod; radial guide means extending in said housing in line with each of said piston rods, and said shoe means provided with guide means followers to ensure radial reciprocal movement of the piston rods and shoe means; and a connecting ring journaled on a crankshaft for circular translation motion in said housing, the ring including a circular rim; each said shoe means including an arcuate follower member being slidably connected to the rim of said connecting ring.
Claim 2
Dependent Claim
141 words
A radial engine comprising: a housing; a plurality of equally spaced openings disposed in ring-like arrangement on the periphery of said housing; a piston and cylinder arrangement in each said opening, a piston rod for each arrangement fixed to and extending radially inwardly from its respective piston and through its respective opening; shoe means pivotally attached at the other end of each said piston rod; radial guide means extending in said housing in line with each of said piston rods, and said shoe means provided with guide means followers to ensure radial reciprocal movement of the piston rods and shoe means; and a connecting ring journaled on a crankshaft for circular translation motion in said housing, the ring including a circular rim; each said shoe means including an arcuate follower member being slidably connected to the rim of said connecting ring.
Claim 3
Dependent Claim
55 words
An engine as defined in claim 1, wherein said connecting ring is circular in shape; said follower member including an arcuate follower portion for engaging the rim of said connecting ring; said arcuate follower having an arcuate shape and comprising the arc of a circle having the same radius as the radius of said rim.
Claim 4
Dependent Claim
47 words
An engine as defined in claim 2, wherein the rim of said connecting ring comprises inwardly directed flanges; and wherein the arcuate follower member of said shoe means comprises outwardly directed flanges; the flanges of said connecting ring overlapping and guidably restraining the flanges of said shoes.
Claim 5
Dependent Claim
55 words
An engine as defined in claim 2, wherein the rim of said connecting ring comprises outwardly directed flanges; and wherein said shoes comprise inwardly directed flanges; the flanges of said shoes overlapping and restraining the flanges of said connecting ring; whereby said shoes are connected to and guided by the rim of said connecting ring.
Claim 6
Dependent Claim
75 words
An engine as defined in claim 1, wherein said connecting ring is mounted on a crankshaft in said housing; the axis of the crank of the crankshaft being disposed at the center of the connecting wheel; the axis of the shaft of the crankshaft being at the center of said housing; whereby, in operation, the locus of said center of said connecting wheel is a circle having the center of said housing as its center.
Claim 7
Dependent Claim
27 words
An engine as defined in claim 1, wherein each said piston and cylinder arrangement includes a firing means, and air and fuel inlet means and exhaust means.
Claim 8
Dependent Claim
160 words
A radial engine as defined in claim 1, wherein the shoe means includes a sleeve fixed to the end of a piston rod, a spindle journaled within the sleeve at right angles to the piston rod and extending parallel to the rotating axis of the shaft, a pair of claw plates mounted on the spindle, one on each side of the sleeve, and a separate arcuate pressure plate interlocked between the separable claw plates, such that the arcuate pressure plate is slidable on the rim of the connecting ring and the claw plates include flanges extending underneath the rim of the connecting ring such that the shoe is retained for sliding and pivoting movement on the rim of the connecting wheel, and a pair of lateral shoes are provided on the spindle on each end thereof adapted to move in radial guide means and locking means are provided on each end of the spindle for locking the separable members thereon.
References Cited (Backward Citations)
US603805A
Cited
US1445474A
Cited
US1612985A
Cited
US1783589A
Cited
US1708611A
Cited
US1774087A
Cited
US1780854A
Cited
US2105846A
Cited
US2120657A
Cited
US2612837A
Cited
US2621607A
Cited
US2818816A
Cited
US3570372A
Cited
US4331108A
Cited
GB2024938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-01 | 1991-08-31 | 1992-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-01 | 1995-08-31 | 1996-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-01 | 1999-08-31 | 2000-03-01 | $7700.00 | Window Closed / Lapsed |