Integral air compressor for boost air in barrel engine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02B-053/00
F02B-075/18
F02B-075/06
출원번호
US-0263264
(2002-10-02)
발명자
/ 주소
Hauser, Bret R.
출원인 / 주소
Thomas Engine Company, LLC
대리인 / 주소
Gifford, Krass, Groh, Sprinkle, Anderson & Citkowski, P.C.
인용정보
피인용 횟수 :
15인용 특허 :
98
초록▼
In a double-ended barrel engine, a compression cylinder and a combustion cylinder share a common axis, with a combustion piston and a compression piston being interconnected by a connecting rod. The compression end of the engine includes a valve plate assembly with a generally flat valve plate with
In a double-ended barrel engine, a compression cylinder and a combustion cylinder share a common axis, with a combustion piston and a compression piston being interconnected by a connecting rod. The compression end of the engine includes a valve plate assembly with a generally flat valve plate with intake and exhaust passages defined therethrough. An intake flapper valve is disposed on the inner surface of the valve plate and selectively covers the intake passage. An exhaust flapper valve is disposed on the outer surface of the valve plate and selectively covers the exhaust passage. Additional cylinders and pistons may be provided. A compression plenum may be provided in fluid communication with the exhaust passages from one or more compression cylinders, and be in fluid communication with the intake system for the combustion end of the engine. A wastegate may be provided for venting the compression plenum.
대표청구항▼
In a double-ended barrel engine, a compression cylinder and a combustion cylinder share a common axis, with a combustion piston and a compression piston being interconnected by a connecting rod. The compression end of the engine includes a valve plate assembly with a generally flat valve plate with
In a double-ended barrel engine, a compression cylinder and a combustion cylinder share a common axis, with a combustion piston and a compression piston being interconnected by a connecting rod. The compression end of the engine includes a valve plate assembly with a generally flat valve plate with intake and exhaust passages defined therethrough. An intake flapper valve is disposed on the inner surface of the valve plate and selectively covers the intake passage. An exhaust flapper valve is disposed on the outer surface of the valve plate and selectively covers the exhaust passage. Additional cylinders and pistons may be provided. A compression plenum may be provided in fluid communication with the exhaust passages from one or more compression cylinders, and be in fluid communication with the intake system for the combustion end of the engine. A wastegate may be provided for venting the compression plenum. toward the perimeter wall assembly and into the first chamber; a second rotor positioned in the third compartment of the cavity, the second rotor being fixedly mounted on the drive shaft such that the second rotor rotates with the drive shaft and first rotor, the second rotor having an outer perimeter, a substantially annular second chamber being defined between the outer perimeter of the second rotor and the perimeter wall assembly, the second chamber forming an combustion chamber in which the charge of air is mixed with fuel, ignited, and exhausted from the cavity in the housing; and a second vane mounted in the second rotor, the second vane being movable in a radial direction with respect to the second rotor such that the second vane is extendable beyond the outer perimeter of the second rotor toward the perimeter wall assembly; wherein the second compartment is positioned between the first and third compartments and holds compressed air after leaving the first chamber and before entering the second chamber. 2. The rotary engine of claim 1 wherein a transfer groove is formed in the second rotor for permitting transfer of air from the second passage to the second chamber, the transfer groove being registered with the second passage at one point in the rotation of the second rotor to permit compressed air from the second compartment to flow through the second passage and the transfer groove into the second chamber. 3. The rotary engine of claim 2 wherein the transfer groove extends radially along an axis radiating outwardly from the central axis of the cavity. 4. The rotary engine of claim 1 additionally comprising a first cam member located between the first rotor and the perimeter wall assembly in the first chamber, the first cam member being located between the first end wall and the first intermediate wall, the first cam member having a first camming surface and a first release surface, the first camming surface pressing the first vane radially inward when the first rotor is rotated and the first vane contacts the first camming surface. 5. The rotary engine of claim 4 wherein the first camming surface has an arcuate contour, and wherein the first release surface is oriented substantially in a plane radiating from the central axis. 6. The rotary engine of claim 4 wherein the intake opening in the first end wall is located adjacent to the first release surface of the first cam member. 7. The rotary engine of claim 4 wherein the first passage in the first intermediate wall is located adjacent to the first camming surface of the first cam member. 8. The rotary engine of claim 1 additionally comprising a second cam member located between the second rotor and the perimeter wall assembly in the second chamber, the second cam member being located between the second end wall and the second intermediate wall, the second cam member having a second camming surface and a second release surface, the second camming surface pressing the second vane radially inward when the second rotor is rotated and the second vane contacts the second camming surface. 9. The rotary engine of claim 8 wherein the second camming surface has an arcuate contour, and wherein the second release surface is oriented substantially in a plane radiating from the central axis. 10. The rotary engine of claim 8 wherein the second passage in the second intermediate wall is located adjacent to the second release surface of the second cam member for permitting air movement into the second chamber adjacent to the second release surface of the second cam member. 11. The rotary engine of claim 8 wherein the exhaust outlet extends through the second camming surface in the second cam member. 12. The rotary engine of claim 1 wherein the outer perimeters of the first rotor and the second rotors are substantially circular. 13. The rotary engine of claim 1 wherein the first rotor has a first slot extending radially inward from the outer perimeter of the first rotor towards the central axis, the first vane being positioned in the first slot, the second rotor having a second slot extending radially inward from the outer perimeter of the second rotor towards the central axis. 14. The rotary engine of claim 1 additionally comprising biasing means biasing the second vane radially outward from the first rotor for biasing the first vane against the perimeter wall assembly. 15. A three stage, four cycle rotary engine comprising: a housing defining a cavity, the cavity having a central axis extending therethrough, wherein the cavity defines a plurality of compartments, the plurality of compartments comprising first, second and third compartments being arranged along the central axis of the cavity; wherein the housing includes a perimeter wall assembly defining a perimeter of the cavity formed by the housing, the perimeter wall assembly comprising at least one substantially annular wall, wherein the perimeter wall assembly comprises three annular walls, a first one of the annular walls comprising a first compartment perimeter wall surrounding the first compartment, a second one of the annular walls comprising a second compartment perimeter wall surrounding the second compartment, and a third one of the annular walls comprising a third compartment perimeter wall surrounding the third compartment; wherein the housing includes a plurality of intermediate walls dividing the cavity into the compartments, the plurality of intermediate walls comprising a first intermediate wall positioned between the first and second compartments and a second intermediate wall positioned between the second and third compartments; wherein the housing has a first passage for permitting air to move from the first compartment to the second compartment, the first passage extending through the first intermediate wall; wherein the housing has a second passage for permitting air to move from the second compartment to the third compartment, the second passage extending through the second intermediate wall, the second passage being elongate and extending along a radially axis extending from the drive shaft; wherein the housing includes a plurality of end walls defining ends of the cavity in the housing, the plurality of end walls including a first end wall positioned opposite the first intermediate wall with the first compartment therebetween and a second end wall positioned opposite the second intermediate wall with the third compartment therebetween; wherein the housing includes an intake opening formed therein for permitting air to enter the first compartment from the atmosphere, the intake opening extending through the first end wall; a drive shaft extending in the cavity and being positioned along the central axis, the drive shaft extending through the first and second intermediate walls and the first and second end walls, a bearing mounting the drive shaft in each of the first and second intermediate walls and the first and second end walls, a first rotor positioned in the first compartment of the cavity, the first rotor being fixedly mounted on the drive shaft such that the first rotor rotates with the drive shaft, the first rotor having an outer perimeter, the outer perimeter being substantially circular, a first slot extending radially inward from the outer perimeter towards a center of the first rotor, a substantially annular first chamber being defined between the outer perimeter of the first rotor and the perimeter wall assembly, the first chamber forming a suction/compression chamber in which a charge of air is drawn into the first chamber and compressed; a first vane mounted in the first slot of the first rotor, the first vane being movable in a radial direction with respect to the first rotor such that the first vane is extendable beyond the outer perimeter of the first rotor toward the perimeter wall assembly and into the first chamber, biasing means biasing the first vane radially outward in the first slo t for biasing the first vane against the perimeter wall assembly; wherein the second compartment comprises a holding chamber in which the compressed charge of air is temporarily held before entering the third compartment; a second rotor positioned in the third compartment of the cavity, the second rotor being fixedly mounted on the drive shaft such that the second rotor rotates with the drive shaft and first rotor, the second rotor having an outer perimeter, the outer perimeter of the second rotor being substantially circular, a second slot extending radially inward from the outer perimeter of the second rotor towards a center of the second rotor, a substantially annular second chamber being defined between the outer perimeter of the second rotor and the perimeter wall assembly, the second chamber forming a combustion chamber in which the charge of air is mixed with fuel and ignited and exhausted from the second chamber and the cavity in the housing; a first cam member located between the first rotor and the perimeter wall assembly in the first chamber, the first cam member being located between the first end wall and the first intermediate wall, the first cam member having a first camming surface and a first release surface, the first camming surface pressing the first vane radially inward when the first rotor is rotated and the first vane contacts the first camming surface, the first camming surface having an arcuate contour, the first release surface being oriented substantially in a plane radiating from the drive shaft, the first cam member including a first sealing surface positioned adjacent to the outer perimeter of the first rotor restricting air flow between the first sealing surface and the outer perimeter of the first rotor, wherein the intake opening in the first end wall is located adjacent to the first release surface of the first cam member; wherein the first passage in the first intermediate wall is located adjacent to the first camming surface of the first cam member; a transfer groove formed in the second rotor for permitting transfer of air from the second passage to the second chamber, the transfer groove registering with the second passage at one point in the rotation of the second rotor, the transfer groove extending radially along an axis radiating outwardly from the drive shaft, the transfer groove having a guide surface oriented opposite the second passage for guiding air moving from the second passage to the second chamber, the guide surface having an arcuate contour; a second vane mounted in the second slot of the second rotor, the second vane being movable in a radial direction with respect to the second rotor such that the second vane is extendable beyond the outer perimeter of the second rotor toward the perimeter wall assembly, biasing means biasing the second vane radially outward in the second slot for biasing the second vane against the perimeter wall assembly; a second cam member located between the second rotor and the perimeter wall assembly in the second chamber, the second cam member being located between the second end wall and the second intermediate wall, the second cam member having a second camming surface and a second release surface, the second camming surface pressing the second vane radially inward when the second rotor is rotated and the second vane contacts the second camming surface, the second camming surface having an arcuate contour, the second release surface being oriented substantially in a plane radiating from the drive shaft, the second cam member including a second sealing surface positioned adjacent to the outer perimeter of the second rotor restricting air flow between the second sealing surface and the outer perimeter of the second rotor, wherein the second passage in the second intermediate wall is located adjacent to the second release surface of the second cam member for permitting air movement into the second chamber adjacent to the second release
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (98)
Lowi ; Jr. Alvin (2146 Toscanini Dr. Rancho Palos Verdes CA 90732), Adiabatic, two-stroke cycle engine.
Lowi ; Jr. Alvin (2146 Toscanini Dr. Rancho Palos Verde CA 90732), Adiabatic, two-stroke cycle engine having piston-phasing and compression ratio control system.
di Priolo Carlo L. (Chester MD) Naydan Theodore P. (Severna Park MD) Failla Charles C. (Annapolis MD) Pouring Andrew A. (Edgewater MD) McCowan William P. (Queenstown MD) Bopp Brad R. (Annapolis MD), Combustion chamber for internal combustion engine and process of combustion using fuel radical species.
Yanagihara Hiromichi (Gotemba JPX) Sato Yasuo (Susono JPX) Kawaguchi Akio (Susono JPX), Compression-ignition type engine and combustion method of same.
Chang Shiunn C. (18 Cherng Hwang La. Hwa Nan Sub-ward ; Chang Hua City TWX), Engine with revolutionary internal-combustion unit and compression ratio auto-controlled device.
Giuliani Robert L. (P.O. Box 30862 Honolulu HI 96820) Giuliani Mark A. (45-310 Akimala Pl. Kaneohe HI 96744) Giuliani Karen A. (45-310 Akimala Pl. Kaneohe HI 96744), Giuliani modular engine improvement.
Mannerstedt ; deceased Folke K. E. (Minnebergsvgen 3 late of Bromma SEX) Zinnerstrm ; executrix by Margareta (Minnebergsvgen 3 161 34 Bromma SEX), Internal combustion engine with opposed pistons.
Nilsson Per-Inge (Vagnhrad SEX) Bergsten Lars (Jrna SEX), Internal combustion engine with variable compression, provided with reinforcements of the crankcase section.
Kumagai Seiichiro (Koishikawa JPX) Abe Michio (Kasugai Aichi JPX) Maeda Naoyuki (Inuyama JPX), Method and apparatus for accumulating fuel particles in a portion of a combustion chamber.
Bivona Steve (9 Stoney Brook Rd. Norwalk CT 06851) Bivona John (9 Stoney Brook Rd. Norwalk CT 06851), Piston system for use in an internal combustion engine.
Reddy, Sreenivas Aerra; Arulanandam, Srinivasan; Rajaraman, Venkataraman, Maintaining optimum voltage supply to match performance of an integrated circuit.
Huang, Jensen; Diard, Franck; Saulters, Scott, Method and system for artificially and dynamically limiting the framerate of a graphics processing unit.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.