Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7350502 | Apparatus and method for controlling exhaust pressure An apparatus and method of controlling exhaust pressure in an internal combustion engine are disclosed. In one embodiment the apparatus may comprise: a housing; a valve disposed in the housing; an orifice formed in the valve, wherein the orifice defines a gas flowpa... | 04/01/2008 |
| 7275367 | Exhaust pressure-raising device for an internal combustion engine There is provided an exhaust pressure-adjusting valve that is brought into a closed position due to a biasing force of a resilient body and is opened against the biasing force of the resilient body due to the exhaust pressure in an exhaust channel, which is raised i... | 10/02/2007 |
| 7182171 | Muffler with variable acoustic properties A muffler with variable acoustic properties. A pressure cell with a diaphragm, a spring, a piston, a piston rod, a closing element on the piston rod, and a pressure connection line are integrated into a housing. The diaphragm is thermally insulated against the pisto... | 02/27/2007 |
| 6843351 | System for braking control in a vehicle including a multi-combination vehicle A braking system for the control of vehicle speed, the vehicle including an engine having a first plurality of engine cylinders, an electronic throttle, electrical power source and engine brake adapted to provide engine braking, comprising an electronic control unit... | 01/18/2005 |
| 6652414 | Vehicle engine brake and control system An engine brake control system for a vehicle drive train including an internal combustion engine with an exhaust system and a turbocharger includes a variable inlet turbine in the exhaust system as part of the turbocharger which has a nozzle inlet control... | 11/25/2003 |
| 6305349 | Sliding gate exhaust brake assembly A sliding gate exhaust brake assembly comprising a gate located within an housing, the gate being moveable between an open position and a closed position to open and close an exhaust outlet. A first closeable pressure relief passage is provided for reliev... | 10/23/2001 |
| 6273059 | Decelerator device mounted in the exhaust gas circuit of a vehicle equipped with a combustion engine A decelerator device for obtains constant and maximal decelerating power whatever the engine speed, by controlling the pressure of the gases upstream of the valve by balancing the efforts at the actuator cylinder rod. The decelerator device (1) includes a... | 08/14/2001 |
| 6273058 | Decelerator device mounted in the exhaust gas circuit of a vehicle equipped with a combustion engine A decelerator device obtains constant and maximal decelerating power includes by controlling the gas pressure upstream of the valve by balancing the efforts at the pressure-relief valve. The decelerator device (1) includes a balancing device (20) incorpor... | 08/14/2001 |
| 6053146 | Model aircraft engine with exhaust control mechanism An exhaust control mechanism is provided for use in a model engine system having a source of engine exhaust. The exhaust control mechanism includes first and second tubes and a valve movable in one of the first and second tubes. The first tube includes an... | 04/25/2000 |
| 5975251 | Rocker brake assembly with hydraulic lock The present invention is directed to a locking assembly for use in a rocker arm assembly for an engine brake assembly. The rocker arm assembly includes a rocker arm pivotally mounted on a shaft. The rocker arm has a first end and a second end, wherein the... | 11/02/1999 |
| 5845748 | Low restriction exhaust brake An exhaust brake for an internal combustion engine is disclosed. The internal surfaces of the exhaust brake are aerodynamically shaped and sized to reduce the incidence of turbulent flow through the exhaust brake. The shape of the internal passage through... | 12/08/1998 |
| 5638926 | Vehicle engine brake A vehicle engine brake comprising a vessel for the passage of gases having a main tube and a by-pass tube is provided. The by-pass tube defines a first opening into the main tube and a second opening into a more downstream location of the main tube. A fir... | 06/17/1997 |
| 5516200 | Controller for tractor trailer braking devices A controller of the invention is used for tractor trailer braking devices having a service brake, an exhaust brake and a retarder brake for a tractor, and a retarder brake for a trailer. The controller includes a main operating switch situated at a driver... | 05/14/1996 |
| 5445248 | Exhaust brake An exhaust brake system is provided with a compact housing having an exhaust gas passage and an nonsymmetrical, rotatable restricter valve member. The restricter valve member includes a shaft with a restricter shield mounted thereon. The restricter valve ... | 08/29/1995 |
| 5435347 | Exhaust systems for motorized vehicles An exhaust brake arrangement is provided for selective operation to facilitate braking of a vehicle such as an over-the-highway truck. The exhaust brake operates by selectively generating back pressure to the exhaust flow system, and thus drag on the engi... | 07/25/1995 |
| 5394901 | Exhaust pressure modulation valve An exhaust gas pressure modulation valve for a diesel engine vehicle combines the functions of an exhaust brake and a warm-up valve and has a single butterfly valve (12) to close the exhaust passage. The butterfly is reactive and opens automatically at a ... | 03/07/1995 |
| 5346041 | Sliding exhaust brake system There is disclosed an improved sliding exhaust brake system installed on a large vehicle. The brake system comprises a housing, an exhaust gas passage, a main valve member taking the form of a flat plate, one or more exhaust pressure-adjusting holes forme... | 09/13/1994 |
| 5103786 | Sliding exhaust brake system There is disclosed an improved sliding exhaust brake system installed on a large vehicle. The brake system comprises a housing, an exhaust gas passage, a main valve member taking the form of a flat plate, an exhaust pressure-adjusting hole formed in the m... | 04/14/1992 |
| 5086865 | Regenerative braking system for car A regenerative braking system for a car in which the pumping capacity of a pump/motor is responsive to the inner pressure of a hydraulic circuit by determining exhaust/engine brake equivalent torque corresponding to car speed and gear position when the ca... | 02/11/1992 |
| 4987869 | Device for controlling a vehicle engine-braking system A process and apparatus for controlling an engine-braking system of an internal-combustion engine driving a vehicle is provided with brake flaps arranged in the exhaust-gas lines and constant-throttle valves provided in the cylinder heads. In the event of... | 01/29/1991 |
| 4923167 | Slide valve with dosage regulation means A slide valve for fluid wherein a slide (3) is axially reciprocally movable in a housing chamber (2) of a valve housing (1). A housing channel (7) in the valve housing (1), which housing channel communicates with a first external connection (8), is provid... | 05/08/1990 |
| 4917221 | Slide type exhaust brake system There is disclosed a slide type exhaust brake system including a housing accommodating a valve member formed with an exhaust pressure adjusting hole, and a piston rod to which an auxiliary valve member composed of a support frame member assuming a substan... | 04/17/1990 |
| 4903802 | Slide type exhaust brake A slide type exhaust brake having an exhaust pressure regulating passage provided in that portion of the wall of a housing which defines the bottom of a guide passage for a reciprocating valve member such that the exhaust pressure regulating passage exten... | 02/27/1990 |
| 4903733 | Sliding exhaust brake system A sliding exhaust brake system installed on a large-sized vehicle. The system comprises a main valve member for opening and closing an exhaust passage and an auxiliary valve mechanism. The auxiliary valve mechanism consists of a support frame of a substan... | 02/27/1990 |
| 4901827 | Slide type exhaust brake system There is disclosed a slide type exhaust brake system including a housing accommodating a valve member formed with a plurality of exhaust pressure adjusting holes and having its intermediate beam wall formed with an exhaust pressure escape hole, and a pist... | 02/20/1990 |
| 4893698 | Exhaust brake unit equipped with a pair of swing flap valves An exhaust brake unit comprises a case to be inserted into an exhaust gas line, a valve seat located inside the case so as to encircle an exhaust gas passage, a pair of cavities formed on opposite side walls along the exhaust gas passage, a pair of shafts... | 01/16/1990 |
| 4886148 | Sliding exhaust brake having main valve and auxiliary valve with flow space therebetween A sliding exhaust brake includes a housing of an exhaust brake body having an exhaust passage with an exhaust pipe provided projectingly on opposite end portions thereof. A platelike valve member with an exhaust pressure regulating hold perforated through... | 12/12/1989 |
| 4872434 | Engine brake device An engine brake device including a bypass line connecting an inlet line and an exhaust line of an engine so as to guide air from the inlet line to the exhaust line, a compressor rotatably disposed in said bypass line with its output shaft being connected ... | 10/10/1989 |
| 4858734 | Slide type exhaust brake system There is disclosed a slide type exhaust brake system having: an exhaust brake body orthogonal to an exhaust passageway provided with a protrudent connecting wall to an air release pipe; and air cylinder leading to one end of the brake body; a tabular valv... | 08/22/1989 |
| 4856624 | Slide type exhaust brake system There is disclosed a slide type exhaust brake system including: a housing of an exhaust brake body having an exhaust passageway; an air cylinder unit leading to an upper end of a reciprocatory operation passageway; and a tabular valve member incorporated ... | 08/15/1989 |
| 4848523 | Sliding exhaust brake system A sliding exhaust brake system installed on a large-sized vehicle. The system comprises a reciprocating piston rod, an auxiliary valve member fixed to the rod, and a main valve member. The auxiliary valve member makes a sliding contact with the bottom wal... | 07/18/1989 |
| 4840348 | Valve actuator for slide exhaust brake systems Herein disclosed is a valve actuator which is to be used with a slide exhaust brake system. The valve actuator includes a cylinder casing which is constructed of: a shortened cyclinder body having a length substantially equal to the sliding distance of a ... | 06/20/1989 |
| 4825982 | Exhaust brake system An exhaust brake incorporates a slide valve with a decreasing returning or opening effort without also having an increased working or closing effort of its valve elements incorporated therein. The brake system includes a first valve piston connected to a ... | 05/02/1989 |
| 4819696 | Slide type exhaust brake system Herein disclosed is a slide type exhaust brake system. In this system, a plate valve member having an exhaust pressure regulating port extending through its surface is fitted in an exhaust brake body housing having a valve member reciprocation passage ext... | 04/11/1989 |
| 4773440 | Exhaust gas brake system The present invention relates to an exhaust gas brake system of slide type for an improvement in construction that a coupler cover member has a space chamber defined in the inner circumference of a central opening thereof through which a piston rod of a p... | 09/27/1988 |
| 4751987 | Slide-type exhaust braking system There is disclosed a slide-type exhaust braking system for applying a braking function to a vehicle by blockading a passageway for an exhaust gas. This system includes an exhaust pressure adjusting hole passageway disposed at a bottom wall portion of a re... | 06/21/1988 |
| 4750459 | Dynamic pressure limitation with safety valve A dynamic pressure-limiting device in an engine exhaust brake, wherein the edge surface of a butterfly disc valve in its closed position is bypassed at one point by a poppet valve bore in which is slidably arranged a poppet valve head which is resiliently... | 06/14/1988 |
| 4733687 | Valve actuator for slide exhaust brake systems Herein disclosed is a valve actuator which is to be used with a slide exhaust brake system. The valve actuator includes a cylinder casing which is constructed of: a shortened cylinder body having a length substantially equal to the sliding distance of a p... | 03/29/1988 |
| 4685544 | Sliding exhaust gas brake A sliding exhaust gas brake connected in the exhaust pipe of an engine in a motor vehicle. It includes a housing having a portion defining an exhaust gas passage and connected to the exhaust pipe at both ends thereof and a portion connected to the exhaust... | 08/11/1987 |
| 4682674 | Apparatus for limiting back pressure in an exhaust-type engine suppressor A pressure relief device for a throttle-type engine exhaust suppressor comprises a valve bore opening into the exhaust pipe in the region of an end face of the throttle valve when the throttle valve is in closed position. The valve bore incorporates a spr... | 07/28/1987 |
