US3602105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic apparatus
Assignee: Individual
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Filing: 1969-07-09
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Granted: 1971-08-31
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Expires: 1989-07-09
Abstract
Abstract A hydraulic apparatus, such as a pump or motor, is contained within an elongated tubular casing having end heads closing opposite ends thereof. An elongated cylinder member is rotatably mounted within the casing and has a plurality of circumferentially spaced cylinder forming bores therein with an elongated piston member movably mounted within each bore, resilient means being arranged for urging the piston members outwardly relative to the cylinder member. Fluid intake or input and outlet flow means communicate with the cylinders for flow of fluid through the pump or motor. A cam or wobble plate is turnably supported on one end head and has piston-engaging portions in the form of a plurality of circumferentially spaced bearing members arranged to be in a plane at an acute angle to the longitudinal axis of the cylinder member whereby rotation of the cam plate effects or is in response to reciprocation of the piston members. The wobble or cam plate has portions thereon meshing with gear means on the adjacent end of the cylinder member for a positive driving connection therebetween for transmitting rotary motion between a power member and the cylinder member and cam plate.
Inventors
- 👤 Emmet G Slusher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:25
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/10; F01B3/103; F01B3/104; F01B3/0032; F01B3/0035; F01B3/0044; F01B3/0064; F01B3/0067; F01B3/007; F01B3/0076; F01B3/108
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
440 words
A hydraulic apparatus comprising: a. an elongated tubular casing; b. end heads closing opposite ends of said casing; c. an elongated cylinder member rotatably mounted within said casing; d. a plurality of circumferentially spaced cylinder forming bores in said cylinder member with said cylinder forming bores extending longitudinally through said cylinder member; e. an elongated piston member mounted within each of said cylinders, said piston members each having at least one end thereof extending beyond one end of said cylinder member; said piston members each having a pair of opposed piston portions mounted within each of said cylinders, said piston portions each having one end thereof extending beyond a respective end of said cylinder member; f. fluid intake flow means positioned for communicating with said cylinders during a portion of the rotation of said cylinder member for urging said piston members outwardly; g. fluid outlet flow means positioned for communicating with said cylinders during another portion of the rotation of said cylinder member for escape of fluid during inwardly movement of said piston members; h. a cam plate turnably mounted on one of said end heads and having piston-engaging portions arranged in a plane canted at an acute angle relative to the longitudinal axis of said casing, each of said end heads having a cam plate turnably supported thereon; i. said piston-engaging portions of each of said cam plates are a plurality of circumferentially spaced bearing members rotatably mounted in each of said cam plates and positioned to engage said respective ends of said piston portions beyond said respective cylinders; j. said bearing members at said cam plates are arranged in planes canted at opposed but symmetrically acutely angled relation with the longitudinal axis of the cylinder member with said respective plane intersecting the longitudinal axis of said cylinder member diagonally and in opposed but symmetrical relation; k. gear means associated with said cam plate and said one end of said cylinder member and having meshing engagement for turning said cam plate with said cylinder member, said gear means being associated with each of said cam plates and with opposite ends of said cylinder member, said gear means on said cam plates meshing with said gear means on said respective opposite ends of said cylinder member for turning of said cam plate with said cylinder member, said gear means urging each of said cam plates to follow the rotation of said cylinder member whereby said opposed piston portions of said piston members are reciprocated toward and away from each other within said respective cylinders; l. a power member operatively connected to said cylinder member for transmission of rotary motion therebetween.
Claim 2
Dependent Claim
440 words
A hydraulic apparatus comprising: a. an elongated tubular casing; b. end heads closing opposite ends of said casing; c. an elongated cylinder member rotatably mounted within said casing; d. a plurality of circumferentially spaced cylinder forming bores in said cylinder member with said cylinder forming bores extending longitudinally through said cylinder member; e. an elongated piston member mounted within each of said cylinders, said piston members each having at least one end thereof extending beyond one end of said cylinder member; said piston members each having a pair of opposed piston portions mounted within each of said cylinders, said piston portions each having one end thereof extending beyond a respective end of said cylinder member; f. fluid intake flow means positioned for communicating with said cylinders during a portion of the rotation of said cylinder member for urging said piston members outwardly; g. fluid outlet flow means positioned for communicating with said cylinders during another portion of the rotation of said cylinder member for escape of fluid during inwardly movement of said piston members; h. a cam plate turnably mounted on one of said end heads and having piston-engaging portions arranged in a plane canted at an acute angle relative to the longitudinal axis of said casing, each of said end heads having a cam plate turnably supported thereon; i. said piston-engaging portions of each of said cam plates are a plurality of circumferentially spaced bearing members rotatably mounted in each of said cam plates and positioned to engage said respective ends of said piston portions beyond said respective cylinders; j. said bearing members at said cam plates are arranged in planes canted at opposed but symmetrically acutely angled relation with the longitudinal axis of the cylinder member with said respective plane intersecting the longitudinal axis of said cylinder member diagonally and in opposed but symmetrical relation; k. gear means associated with said cam plate and said one end of said cylinder member and having meshing engagement for turning said cam plate with said cylinder member, said gear means being associated with each of said cam plates and with opposite ends of said cylinder member, said gear means on said cam plates meshing with said gear means on said respective opposite ends of said cylinder member for turning of said cam plate with said cylinder member, said gear means urging each of said cam plates to follow the rotation of said cylinder member whereby said opposed piston portions of said piston members are reciprocated toward and away from each other within said respective cylinders; l. a power member operatively connected to said cylinder member for transmission of rotary motion therebetween.
Claim 3
Dependent Claim
166 words
The hydraulic apparatus as set forth in claim 1 wherein: a. said cylinder member has a central bore extending longitudinally therethrough; b. said cylinder member has a fluid passageway extending between said central bore and each of said cylinder forming bores, said fluid passageways communicating with said respective cylinders at a point between said opPosed piston portions; c. said cam plates are maintained at fixed angular relation with the longitudinal axis of the cylinder member; d. said fluid intake flow means and said fluid outlet flow means include an elongated tubular valve shaft coaxially and rotatably mounted within said central bore and having inlet and outlet flow passages extending longitudinally therethrough, said inlet and outlet flow passages being separated by a center wall member and each having a port communicating with a plurality of said fluid passageways in said cylinder member; and e. said valve shaft has adjustment means associated therewith for selectively positioning said inlet and outlet ports thereby controlling operation of the hydraulic apparatus.
Claim 4
Dependent Claim
100 words
The hydraulic apparatus as set forth in claim 1 including: a. an adjustment disc turnably mounted within one of said end heads and having one of said cam plates rotatably supported thereon; and b. means associated with said adjustment disc for turning same between a maximum output position and an idle position, said maximum output position having said cam plates canted at an opposed but symmetrically acutely angled relation with the longitudinal axis of said cylinder member, said idle position having said cam plates canted in a parallel relation whereby there is no relative axial motion between said piston portions.
Claim 5
Dependent Claim
38 words
The hydraulic apparatus as set forth in claim 3 wherein: a. said power member is an elongated shaft extending outwardly from the other of said cam plates whereby rotation of said cylinder member is transferred to said shaft.
Claim 6
Dependent Claim
167 words
The hydraulic apparatus as set forth in claim 3 wherein said fluid intake flow means and said fluid outlet flow means include: a. an inlet flow channel in an interior surface of said tubular casing, said inlet flow channel being concentric with said cylinder member and extending around a portion of said interior surface of said tubular casing; b. an outlet flow channel in said interior surface of said tubular casing, said outlet flow channel being concentric with said cylinder member and peripherally aligned with said inlet flow channel, said outlet flow channel being separated from said inlet flow channel and extending around an other portion of said interior surface of said tubular casing; c. a fluid passageway extending between each of said cylinder forming bores and an exterior surface of said cylinder member; d. an inlet port extending through said tubular casing and communicating with said inlet flow channel; and e. an outlet port extending through said tubular casing and communicating with said outlet flow channel.
Claim 7
Dependent Claim
318 words
A hydraulic apparatus comprising: a. an elongated tubular casing; b. end heads closing opposite ends of said casing; c. an elongated cylinder member rotatably mounted within said casing; d. a plurality of circumferentially spaced cylinder forming bores in said cylinder member; e. an elongated piston member mounted within each of said cylinders, said piston members each having at least one end thereof extending beyond one end of said cylinder member; f. fluid intake flow means positioned for communicating with said cylinders during a portion of the rotation of said cylinder member for urging said piston members outwardly; g. fluid outlet flow means positioned for communicating with said cylinders during another portion of the rotation of said cylinder member for escape of fluid during inwardly movement of said piston members; h. a cam plate turnably mounted on one of said end heads and having piston-engaging portions arranged in a plane canted at an acute angle relative to the longitudinal axis of said casing; i. said piston-engaging portions of said cam plate are a plurality of circumferentially spaced bearing members rotatably mounted on said cam plate and positioned to engage said end of said piston members beyond said respective cylinders; j. said bearing members Each including a pair of ears mounted on said respective cam plate and extending outwardly therefrom, an elongated axle rotatably mounted on said ears, and a roller mounted on said axle for engaging said respective ends of said piston members beyond ends of said respective cylinders; k. gear means associated with said cam plate and said one end of said cylinder member and having meshing engagement for turning said cam plate with said cylinder member, said gear means urging said cam plate to follow the rotation of said cylinder member whereby said piston members are reciprocated within said respective cylinders; l. a power member operatively connected to said cylinder member for transmission of rotary motion therebetween.
Claim 8
Dependent Claim
318 words
A hydraulic apparatus comprising: a. an elongated tubular casing; b. end heads closing opposite ends of said casing; c. an elongated cylinder member rotatably mounted within said casing; d. a plurality of circumferentially spaced cylinder forming bores in said cylinder member; e. an elongated piston member mounted within each of said cylinders, said piston members each having at least one end thereof extending beyond one end of said cylinder member; f. fluid intake flow means positioned for communicating with said cylinders during a portion of the rotation of said cylinder member for urging said piston members outwardly; g. fluid outlet flow means positioned for communicating with said cylinders during another portion of the rotation of said cylinder member for escape of fluid during inwardly movement of said piston members; h. a cam plate turnably mounted on one of said end heads and having piston-engaging portions arranged in a plane canted at an acute angle relative to the longitudinal axis of said casing; i. said piston-engaging portions of said cam plate are a plurality of circumferentially spaced bearing members rotatably mounted on said cam plate and positioned to engage said end of said piston members beyond said respective cylinders; j. said bearing members Each including a pair of ears mounted on said respective cam plate and extending outwardly therefrom, an elongated axle rotatably mounted on said ears, and a roller mounted on said axle for engaging said respective ends of said piston members beyond ends of said respective cylinders; k. gear means associated with said cam plate and said one end of said cylinder member and having meshing engagement for turning said cam plate with said cylinder member, said gear means urging said cam plate to follow the rotation of said cylinder member whereby said piston members are reciprocated within said respective cylinders; l. a power member operatively connected to said cylinder member for transmission of rotary motion therebetween.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-30 | 1975-03-01 | 1975-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-30 | 1979-03-01 | 1979-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-30 | 1983-03-01 | 1983-08-31 | $7700.00 | Window Closed / Lapsed |