IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0958927
(2013-08-05)
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등록번호 |
US-8714119
(2014-05-06)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
55 |
초록
▼
The disclosed invention includes a heat engine where combustion, expansion, and compression are independent, continuous, parallel cycles. The disclosed engine includes a crankcase situated between two axially-aligned, opposed cylinder blocks. Each opposed cylinder block contains zero-clearance cylin
The disclosed invention includes a heat engine where combustion, expansion, and compression are independent, continuous, parallel cycles. The disclosed engine includes a crankcase situated between two axially-aligned, opposed cylinder blocks. Each opposed cylinder block contains zero-clearance cylinders. An oscillating two-headed piston separates each cylinder into expansion and compression chambers. A connecting rod connects the piston heads of opposed cylinder pairs, and articulates with a central, linear-throw, planetary crank mechanism. A single, rotary disk valve mates with each external expander face of the paired, opposed cylinder blocks to regulate expansion and exhaust functions. Controllable intake and outlet valves, integrated within each internal compressor face of the paired cylinder blocks, regulate intake, compression, and regenerative engine braking functions. A separate combustion chamber with heat regeneration capabilities and at least one compressed-air storage reservoir are included.
대표청구항
▼
1. An internal combustion engine system comprising: a compression chamber in which air is compressed;a combustion chamber for combusting air delivered from a reservoir or from said compression chamber with a fuel to create a motive fluid;an expansion chamber, separate from said combustion chamber, i
1. An internal combustion engine system comprising: a compression chamber in which air is compressed;a combustion chamber for combusting air delivered from a reservoir or from said compression chamber with a fuel to create a motive fluid;an expansion chamber, separate from said combustion chamber, in which the motive fluid expands as a result of combustion; andat least one dual-chamber cylinder comprising: a substantially closed cylinder head;a substantially closed cylinder base; anda double-sided piston head disposed for reciprocating motion through a piston displacement within said dual-chamber cylinder, said double-sided piston head dividing said dual-chamber cylinder into said expansion chamber and said compression chamber; wherein said expansion chamber comprises an expander variable space between said reciprocating piston head and the closed cylinder head of said cylinder, and said compression chamber comprises a compressor variable space between said reciprocating piston head and said closed cylinder base, and whereby said cylinder integrates therein expansion and compression functions wherein only expansion or exhaust of motive fluid occurs in said expander variable space, and only intake or compression of air occurs in said compressor variable space. 2. An engine system according to claim 1 further comprising: a pair of opposed cylinder blocks, each said cylinder block containing at least four said dual-chamber cylinders, and each cylinder in a cylinder block being operatively paired with a corresponding cylinder in the other block;a pair of operatively connected said double-sided piston heads associated with each pair of dual-chamber cylinders;a crankshaft between said cylinder blocks; anda linear throw crank mechanism associated with each said pair of piston heads for operatively engaging each pair of piston heads with said crankshaft; wherein a net force generated by an operative pair of piston heads is transmitted to the crankshaft via said throw crank mechanism, thereby rotating said crankshaft; and further wherein intake, compression, expansion, and exhaust functions are substantially continuously and simultaneously performed within each operative pair of dual-chamber cylinders; and further wherein said expansion of said motive fluid expands within said expander variable space moves each said double-sided piston head within its associated dual-chamber cylinder. 3. An engine system according to claim 2 wherein: said double-sided piston head and expansion chamber in each said cylinder perform an expansion function while said piston head and compression chamber in each said cylinder simultaneously perform a compression function; andsaid piston head and expansion chamber in each said cylinder perform an exhaust function while said piston head and compression chamber in each said cylinder simultaneously perform an intake function. 4. An engine system according to claim 3 wherein said at least four dual-chamber cylinders comprise four cylinders disposed mutually parallel in each of said opposed cylinder blocks in a two-by-two array, and further wherein opposed operative pairs of cylinders are disposed coaxially, said apparatus further comprising: a crankcase between said separate cylinder blocks; andtwo said crankshafts disposed though said crankcase, each of said crankshafts operatively associated with two of said operative pairs of double-sided piston heads and two of said opposed operative pairs of cylinders; wherein each opposed cylinder independently performs functions of intake, compression, expansion and exhaust for each rotation of an operatively associated crankshaft. 5. An engine system according to claim 4 wherein said linear throw crank mechanism converts reciprocating motion of said double-sided piston heads into rotary motion of said crankshaft, and further comprising: a rod connecting each said operative pair of piston heads thereby to comprise a working member; anda connector, connecting said throw crank mechanism to said rod, comprising: a central articulating aperture defined on said rod connecting the operative pair of piston heads, medially along the length of said working member; anda crank wrist pin, rotatably received in said central articulating aperture, for operatively connecting said working member with said throw crank mechanism and which undergoes linear travel collinearly with axes of said cylinders. 6. An engine system according to claim 5 wherein said linear throw crank mechanism further comprises an internal planetary gear set comprising a planet gear engaged with and revolvable interiorly within an internally toothed sun gear, and further wherein: said sun gear is fixed and defines a sun gear pitch circle diameter corresponding approximately to said piston displacement, and said throw crank mechanism further comprises a main crank having a central portion secured to one of said crankshafts and a peripheral portion rotatably connected at a center of said planet gear;said main crank defines a functional crank arm length corresponding to approximately one-fourth said sun gear pitch circle diameter, and said planet gear defines a planet gear pitch circle diameter corresponding to approximately one-half said sun gear pitch circle diameter;said linear throw crank mechanism further comprises a pair of planet cranks, each said planet crank comprising a central portion secured to a corresponding one of said planet gears and a peripheral portion engaged with said working member via said crank wrist pin; andeach said planet crank defines a planet crank arm length corresponding approximately to said functional crank arm length of said main crank.
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