Compounds and methods for detecting the incorporation of a hapten into a protein or macromolecules are disclosed. The compounds comprise haptens bound directly or indirectly to a chromophoric group and a macromolecules-reactive group, whereby incorporation of the hapten into a protein or other macromolecules may be detected. The disclosure includes a compound of the formula: ##STR1## wherein n.sub.1 is 1, 2, 3, 4, 5, 6 or 7; n.sub.2 is 0, 1, 2, 3, 4, 5, 6 or 7; R.sub.1 is either a carboxytetrame...

A jig for maintaining a work piece in a predetermined position relative to a cutting tool is comprised of first and second relatively flat members having respective first and second major surfaces for being positioned in facing relationship. Each body member has a pair of parallel elongated racks of substantially equal lengths, with a plurality of teeth spaced at predetermined intervals along respective major axes of each rack. The racks on the first body member are positioned substantially in r...

A damper (40) for damping tactile vibration (FIG. 4) caused by pressure changes induced in hydraulic fluid by an operational characteristic of a hydraulic-operated brake (22; 24) when the brake is braking a rotating object (14; 16). A piston (54) is displaceable within a housing bore (52) and divides the bore into a first chamber (56) confronting one axial face of the piston and a second chamber (58) confronting an opposite axial face of the piston. A port (59) communicates hydraulic fluid to th...

A hybrid vehicle includes a powertrain having a retarded diesel engine, an electric machine and energy storage system. The engine and motor are operatively coupled through one or more planetary gearsets and selective coupling paths in accordance with application and release of various torque transfer devices to a drivetrain via an output. Regenerative and retarded engine braking are coordinated to provide priority to energy return to an energy storage system in accordance with predetermined powe...

A device and method for cleaning and deodorizing a unit having an enclosed space not otherwise easily accessible for cleaning and deodorizing.

A device with a collecting station collects copy sheets which can be provided with a Z-fold in a folding station. The folding station is situated in a transport path for unfolded copy sheets which leads to the collecting station. The folding station is formed by a first pair of folding rollers, the folding nip of which is situated in the transport path, and a second pair of folding rollers, the folding nip of which is situated in a folding path branching off from the transport path. The directio...

This invention relates to a cycling-type continual quick service valve device which embodies therein a quick service valve means that comprises two valves each operatively connected to an abutment subject to fluid under pressure supplied from a train brake pipe through a first restriction to a chamber on one side thereof and subject to fluid under pressure supplied from the brake pipe to a chamber at the opposite side and to a quick service chamber via two restrictions arranged in parallel and i...

A fluid brake control system is disclosed having an improved emergency application and stability control device for use in association with a brake control pipe, emergency and auxiliary fluid reservoirs, a first quick action chamber, a brake cylinder, and emergency and service control valves. An improved emergency application and stability control valve is provided comprising a housing containing a differential abutment subject to actuation axially by differences in fluid pressures in respective...

A valve assembly for use with spring-set air-release vehicle parking brakes comprises a particular arrangement of conventional components providing desired spring brake operational characteristics heretofore requiring costly, complex specially-designed units. The valve assembly typically employs a plurality of interconnected check valves in combination with pressure protection and quick release valves to provide the desired characteristics. These include a system whereby at startup pressurized a...

A pressure control valve having a pressure fluid inlet chamber connected to a pressure fluid source via a brake valve. A pressure fluid outlet chamber of the pressure control valve communicates with a brake cylinder. The pressure fluid inlet chamber and the pressure fluid outlet chamber can be connected to a control chamber via an inlet valve. The pressure fluid outlet chamber can be connected to the atmosphere via a controllable outlet valve. From the pressure fluid outlet chamber, a first conn...