Rotational power distribution and control system
DCFirst Claim
1. A rotational power distribution and control system comprising:
- (a) a gear set wherein said gear set comprises;
(i) a first rotational interface;
(ii) a second rotational interface; and
(ii) a third rotational interface;
(b) a hydrostatic pump coupled to a selected rotational interface in the form of one of said first rotational interface, said second rotational interface and said third rotational interface;
a cylinder block of said hydrostatic pump being coupled to one of said gear set;
(c) a hydraulic fluid circuit wherein said hydraulic fluid circuit is interconnected to a first port on said hydrostatic pump, wherein said hydraulic fluid circuit is interconnected to a second port on said hydrostatic pump; and
(d) a valve to selectively control flow through said first port on said hydrostatic pump.
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Abstract
Rotational power distribution and control systems and components thereof along with related methods are disclosed. The rotational power distribution and control system may, for example, be operable to function similarly to a typical automotive manual clutch. Other embodiments of the rotational power distribution and control system may function as continuously or infinitely variable transmissions. Still further embodiments of the rotational power distribution and control system may function as hybrid drive systems for various types of vehicles, including automobiles, trucks and busses. The rotational power distribution and control system includes at least one hydrostatic pump/motor and a rotational power dividing apparatus.
29 Citations
10 Claims
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1. A rotational power distribution and control system comprising:
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(a) a gear set wherein said gear set comprises; (i) a first rotational interface; (ii) a second rotational interface; and (ii) a third rotational interface; (b) a hydrostatic pump coupled to a selected rotational interface in the form of one of said first rotational interface, said second rotational interface and said third rotational interface;
a cylinder block of said hydrostatic pump being coupled to one of said gear set;(c) a hydraulic fluid circuit wherein said hydraulic fluid circuit is interconnected to a first port on said hydrostatic pump, wherein said hydraulic fluid circuit is interconnected to a second port on said hydrostatic pump; and (d) a valve to selectively control flow through said first port on said hydrostatic pump. - View Dependent Claims (2, 3, 4)
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5. A rotational power distribution and control system comprising:
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(a) a gear set wherein said gear set comprises; (i) a first rotational interface; (ii) a second rotational interface; and (ii) a third rotational interface; said gear set including a carrier, wherein said carrier is said first rotational interface;
a first gear coupled to said second rotational interface; and
a second side gear coupled to said third rotational interface;(b) a hydrostatic pump coupled to a selected rotational interface in the form of one of said first rotational interface, said second rotational interface and said third rotational interface;
a cylinder block of said hydrostatic pump being coupled to one of said first gear and said second side gear;(c) a hydraulic fluid circuit wherein said hydraulic fluid circuit is interconnected to a first port on said hydrostatic pump, wherein said hydraulic fluid circuit is interconnected to a second port on said hydrostatic pump; and (d) a valve to selectively control flow through said first port on said hydrostatic pump.
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6. A method of transmitting rotational power from a rotational power source to a load comprising;
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delivering rotational power to a first element of a gear set, wherein a load is coupled to a second element of said gear set; and restricting flow from a hydrostatic pump coupled to a third element of said gear set, wherein said hydrostatic pump comprises a plurality of reciprocating pistons, wherein said restricted flow causes rotational resistance to be applied to said third element of said gear set, wherein said rotational resistance results in transfer of rotational power from said first element to said second element. - View Dependent Claims (7, 8, 9, 10)
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Specification