Abstract: An improved hose coupling for railway vehicle brake pipe hoses, which coupling is characterized by a straight nipple portion and an angular extension of the lower end of the coupling lip for preventing inadvertent uncoupling due to excessive bouncing motion of the vehicle and, therefore, vertical oscillation of the hoses.

Abstract: A fluid pressure operable servo positioner including a pair of operating piston units diametrally opposingly arranged relative to and abuttingly engageable with opposite sides of a mechanical operating member or lever for positioning the operating member in a preselected position determined by the degree of actuating pressure acting on the piston or pistons which are retractable by return springs, when relieved of actuating pressure acting thereon, completely out of contact with the operating member to an extent at which the operating member may be manually positioned, within a full range of positions, free of any resistance such as piston friction.

Abstract: A vehicle load-controlled brake pressure regulating valve device which combines in one housing a unitary valve device performing dual functions of a vehicle load responsive control valve and of a relay valve, whereby the relay valve function is effected by pressure regulated by the vehicle load function. The dual purpose valve device functions as a unit in a single housing to thereby reduce manufacturing costs and installation space required.

Abstract: This invention relates to a hose coupling on the body of which is rockably mounted intermediate its ends a locking member, one end of which constitutes an operating handle. The other end of this locking member is of such a configuration as to constitute a stop which is manually rockable by the operating handle out of the pathway of the guard arm of the other one of a pair of hose couplings to be manually coupled prior to rotating the two hose couplings to the fully coupled position. The configuration of the stop is such that, upon the pair of hose couplings reaching their fully coupled position, this stop will be disposed in such a position in the pathway of the guard arm of the other one of the pair of fully coupled hose couplings as to prevent unwanted uncoupling of the two coupled hose couplings. Upon manual rocking of the locking member in one direction by the operating handle, the stop will be lifted out of the pathway of the guard arm of the other one of the pair of coupled hose couplings.

Abstract: This invention relates to a vented ball-type cock such as is used at each end of the brake pipe on a railway vehicle in which the brake pipe hose connected to the cock outlet is vented to atmosphere in the cock closed position via a passageway extending through the cock body, the cover therefor and a spiral groove of some suitable configuration formed on a cylindrical stem extending through the cover for rotating a ball-type valve within the cock body between an open and a closed position. A resilient seal obliquely mounted on the stem for rotation therewith is shifted thereby, relative to the cover, from the cock closed position in which a communication between the inlet and outlet of the cock is closed and the hose-venting passageway is open, to the open position in which the communication between the inlet and outlet of the cock is open and the hose-venting passageway is closed.

Abstract: A brake cylinder device including a brake piston operable by a spring force to an application position and to a release position in response to an opposing fluid pressure force, and a fluid pressure operable locking device operable responsively to release pressure for locking the piston in the release position and for delaying such locking of the piston in the release position during normal operations to prevent untimely locking-up of the piston.

Abstract: A bellows type sealing member for sealing off a piston rod opening formed at one end of an operating cylinder for accommodating reciprocal movement of a piston rod therein, in particular a diaphragm type cylinder for vehicle air-brake systems, wherein the piston rod has one end connected to a diaphragm disk and is provided at the other end with a forkhead, and the bellows can be sealingly fitted on a sleeve-like support member mounted coaxially in the piston rod opening of the diaphragm cylinder.

Abstract: A two-circuit brake system, operable either pneumatically or hydraulically, for motor vehicles including an operator-controlled brake valve for effecting supply of brake-operating pressure via a vehicle load-responsive device for regulating brake-operating pressure to the rear axle according to vehicle load, and a relay valve responsive to such regulated pressure for effecting supply of brake-operating pressure to the front axle according to a predetermined ratio. The relay valve includes certain pressure area members which may be replaced by others for varying the rear axle to front axle braking-pressure ratio to suit the particular vehicle on which it is used, and the operator-controlled brake valve is operable for maintaining effectiveness of at least one of the brake circuits, either front or rear, in the event of failure of the other.

Abstract: Apparatus for remotely controlling direction and speed of marine engines, including at least two operator controllers located remotely from each other in respective areas of the vessel, electric-hydraulic apparatus operably interposed between the two controllers and responsive to control signals transmitted from and corresponding to the direction and speed setting of one of the controllers for synchronously effecting corresponding setting of the other controller at all times.

Abstract: Fluid pressure operable remote control apparatus for a marine vessel equipped with a dual shaft and propeller propulsion system and fluid pressure operable operator controllers for coordinating operation respective valve devices and servo-positioners, whereby the desired operating disposition of the shafts and propellers, relative to each other, is effected for providing the desired speed and directional movement of the vessel.

Abstract: Apparatus disposed in parallel relation to rails of a railway track section ahead or in advance of a railroad car retarder for applying a solid type lubricant to those areas of the car wheels frictionally contacted by the retarder and thereby suppressing excessive noise or squealing during retarding action.

Abstract: A brake cylinder device for railway vehicles including a built-in automatic slack adjuster and a manually axially positionable piston for resetting the piston and piston rod relative to the slack adjuster when necessary, such as when replacing worn brake shoes, the piston rod being interconnected through a nut and screw, friction clutch, and a key to a manually rotatable member, which, when rotated causes axial displacement of the piston rod and piston to desired adjusted position relative to the slack adjuster.

Abstract: A control circuit for reducing the output cycle of a compressed air system of a rapid transit car during "lay-over" periods, when only a minimum of compressed air for a parking brake, for example, is needed by the car, by activating a secondary governor set for a low pressure operating range and connected in series with a primary governor, one or the other of the governors being activated by the control circuit responsively to control signals denoting the state of compressed air requirement of the car.

Abstract: A measuring sensing device for generating a signal corresponding to the relative rotation between two construction parts, with a rotor arranged on the rotating construction part and a stator borne on the fixed construction part, the stator being supported by one or more clamping bodies on the fixed construction part in such a way that on overcoming a considerable frictional adhesion it is slidable with respect to the fixed construction part.

Abstract: A vehicle leveling valve device for adjusting air spring pressure according to vehicle load and including a hydraulic dampening arrangement wherein one or the other of an air pressure supply or an exhaust valve connected to the air springs is actuated, according to the change in vehicle load, by one of a pair of respective leaf springs when deflected by a cam, in turn, operable responsively to variation in vehicle load and height. Deflection of each leaf spring is resisted by respective hydraulic pistons which are arranged to yield to a normal rate of vehicle load change and therefore permit operation of either the supply or exhaust, but resist any momentary change of vehicle height, such as caused by a jounce, and therefore restrain deflection of the leaf springs and preclude any untimely operation of the valve device.

Abstract: A brake pressure control device for use on vehicles equipped with air springs for proportioning the braking pressure delivered to the brake cylinders at a preselected ratio relative to the vehicle load as reflected by the prevailing air spring pressure, and including adjustable spring and lever mechanism for varying the proportioning ratio of the control device in accordance with the respective varying weights and load capacities of various vehicles, so that the control device may be used on a wide range of vehicles and adjusted to provide the desired pressure ratio.

Abstract: A brake pipe end cock provided with a pair of operating handles disposed respectively on opposite sides of the end cock, whereby the end cock may be operated from either side of the car, because one handle, which is self-locking on one side, is connected by a crossover bar to the other handle on the opposite side, which may or may not be self-locking, as desired, to provide concurrent movement of the two handles as a unit, said crossover bar being necessary to unlock the self-locking handle in order to effect operation of the valve device if the non-locking handle is the one manipulated.

Abstract: A fluid pressure operable brake cylinder device including a self-adjusting portion for automatically compensating for brake pad wear and maintaining a constant clearance between the brake pad and the braking surface of a vehicle wheel in the released disposition of the brakes.

Abstract: A vehicle load responsive linking device for controlling operation of a brake pressure regulator in effecting supply of pressurized fluid to the brake system at a pressure commensurate with the prevailing vehicle load, and including a fulcrumed lever for actuating the brake pressure regulator according to a resultant force of a pair of opposing spring forces exerted thereon by respective tensionally opposingly disposed springs having adjacent ends secured to the lever and the opposite ends secured to sprung and unsprung portions, respectively, of the vehicle, the distance between the sprung and unsprung portions, as determined by the vehicle load, determining the tension of the springs, which tension acts to dampen and isolate axle vibrations from the pressure regulator device.

Abstract: A safety valve device for use in a multiple circuit fluid pressure operable brake system for insuring supply and preservation, in the event of fluid pressure failure in one or more of the circuits, in the remaining circuits for assuring, at least, limited operation of the brake system.