Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7128541 | Oscillating displacement pump An oscillating displacement pump, particularly a diaphragm pump (P) for liquid or gaseous delivery media, having a delivery space which on the one side is delimited by a pump head and on the other side by a delivery element, particularly formed by a diaphragm (6 | 10/31/2006 |
| 6932102 | Device for regulating the flow rate and/or the pressure of a fluid The present invention relates to a device for regulating the flow rate and/or the pressure of a fluid transferred from a high-pressure reservoir (H) to a reservoir (S). A first valve (1) provided with a control (2) is mounted in a pipe (10, 11, 12 | 08/23/2005 |
| 6694859 | Variable pressure relief valve A single stage, electrically controlled variable pressure relief valve assembly is provided that uses a valving element assembly slideably disposed within a housing having first and second inlet and outlet ports, the valving element assembly has a differe... | 02/24/2004 |
| 6629411 | Dual displacement motor control A hydraulically operated fan for a cooling system in an automotive vehicle. Two hydraulic motors drive a common fan shaft. A control system provides means to bypass flow in parallel with both motors or direct flow to both or one of the motors dependent on... | 10/07/2003 |
| 6595757 | Air compressor control system An air compressor control system is constructed to include a motor, an accumulation tank, a pump, a pressure switch, a pressure control valve, and a micro-controller. When the pressure of the accumulation tank surpassed a predetermined high level, the pre... | 07/22/2003 |
| 6209566 | Hydraulic control systems A hydraulic actuator for a vehicle roll control system includes a fluid pressure transducer 28, housed in a valve block 16, the output characteristic of which is temperature dependent. In order to correct for this the temperature of the fluid is monitored... | 04/03/2001 |
| 6079436 | Energy supply device for a compressed air brake system for commercial vehicles The energy supply device has a compressor for supplying at least one compressed air consumer. On the outlet end, the compressor communicates with a pneumatically controllable outlet valve. Furthermore, two pressure regulating valves are provided, with whi... | 06/27/2000 |
| 6041808 | Compressed air control device for a source of compressed air on motor vehicles A compressed air control device for a source of compressed air on motor vehicles, forming a unit of an electro-pneumatic unloader, an integrated electro-pneumatic multi-circuit control valve and an air-drier, comprising an inlet and an outlet provided in ... | 03/28/2000 |
| 5997693 | Stock liquor pressure pulsation absorbing apparatus and method A stock liquor pressure pulsation absorbing apparatus of an active type is able to absorb pressure pulsations in an ordinarily demanded frequency range of 0.01 to 100 Hz. A by-pass pipe (2) extracts a portion of a stock liquor from a master pipe (1) for s... | 12/07/1999 |
| 5836347 | Fluid pressure supply system A vehicle fluid pressure supply system in which a fluid pressure supply pump (10) is connected via solenoid-operated flow control valve (15) with a plurality of separate fluid pressure operated circuits(A, B, C) each operating separate functions of the ve... | 11/17/1998 |
| 5184773 | Pressure regulating heater control valve A pressure relief function is incorporated into a proportional solenoid controlled heater valve for an automobile heater. One of two internal valve seats is spring-biased against an internal shoulder and is exposed to pressure differential across it. When... | 02/09/1993 |
| 5035255 | Device for changing the pressure in a tire of a motor vehicle A device for changing the pressure in tires of a motor vehicle. The novel device achieves that the venting of the tires can be performed independent of throttling. The device includes a tire-pressure control valve (1) with a pneumatic connection terminal ... | 07/30/1991 |
| 4893646 | Fluid pressure regulator A fluid pressure regulator comprises a housing defining a cylindrical chamber, an inlet opening for introducing fluid under pressure into the chamber, an outlet opening for allowing fluid to leave the chamber at a regulated pressure, and a bleed orifice i... | 01/16/1990 |
| 4890636 | Fluid pressure control for use in transmission A fluid pressure control for a transmission having a fluid pressure operated clutch includes a pressure regulating piston communicating with a pressurized fluid source for affording fluid pressure to the clutch; a load piston disposed in a common bore wit... | 01/02/1990 |
| 4830581 | Apparatus for dispensing measured quantities of a liquid material The invention concerns an apparatus for dispensing measured quantities of a liquid or liquefied material, comprising first pumping means, capable of delivering a continuous flow of material, second pumping downstream from said first pumping means, said se... | 05/16/1989 |
| 4733684 | Means and method for testing the homogeneity of a solution The system and the method of the present invention tests the homogeneity of a solution utilizing a housing which includes a first chamber for a reference solution and a second chamber for a test solution. The housing also includes a pair of transducers sp... | 03/29/1988 |
| 4674527 | Pressure relieving linear motion valve The point at which pump out pressure exceeds load is sensed to provide a point for scheduling flow to an actuator in a hydraulic system. Flow is controlled by a stepper motor (28) that moves a flow control valve (27). The steps needed to achieve fixed flo... | 06/23/1987 |
| 4589436 | Oxygen partial pressure controller for a pressure swing adsorption system An oxygen partial pressure controller regulates the oxygen partial pressure (PPO2) of the product gas of a pressure swing adsorption oxygen enriching system by means of a bleed valve which increases gas flow through the adsorptive system thereb... | 05/20/1986 |
| 4585168 | High pressure liquid installation The invention relates to a high-pressure liquid installation with a pressurized water generator (10) to which a spraying device (42) is connected, while an adjustable pressure-limiting valve (14) is arranged between the pressurized water generator (10) an... | 04/29/1986 |
| 4546791 | Safety valve An improved safety valve for a feeding water machine, comprising a first casing having an inlet and an outlet, a spring-loaded sliding member slidably mounted into the first casing, a spring-loaded steel ball mounted into the spring-loaded sliding member,... | 10/15/1985 |
| 4466759 | Method and apparatus for sequence control of vertical movements of slurried particulates A method and apparatus for sequence control of vertical movement of slurried particulates from a lower level to the upper levels, more particularly a vertical hoist system for movement of slurry from a subterranean mine area upward through an earthen or c... | 08/21/1984 |
| 4446882 | Solenoid-operated valve means for hydraulic systems In an hydraulic system a solenoid-operated valve mechanism is used to control delivery of pressure fluid to a part of the system, the fluid being circulated by a pump from a reservoir through the valve mechanism and back. The valve mechanism has a solenoi... | 05/08/1984 |
| 4434110 | Carburetor, control apparatus and method for internal combustion engines A carburetor and associated control apparatus for an internal combustion engine. The carburetor includes a carburetor head having a fuel inlet conduit and an air inlet conduit communicating with a fuel mixing chamber. The carburetor further includes meter... | 02/28/1984 |
| 4394871 | Programmable pressure regulator for titanium superplastic forming apparatus Disclosed is a programmable pressure regulator for a titanium superplastic forming apparatus. The regulator meters an inert gas, such as argon, into and out of a forming chamber to vary the pressure according to a preselected pressure profile. A profile g... | 07/26/1983 |
| 4346727 | Apparatus for measuring the amount of fluid supplied by a fluid supply device Apparatus for measuring the amount of fuel supplied by a fluid supply device wherein a throttle element is inserted in a supply line to a supply device having an apportioning cross-section wherein a constant pressure differential is maintained by means of... | 08/31/1982 |
| 3958466 | Electro-hydraulic gear shifting control for vehicle gears Hydraulic gear shift controllers to effect change of transmission gearing are controlled by means of a spool valve having a slider spool located in the bore of a housing, preferably axially aligned with a pressure limiting spool valve. A kick-down hydraul... | 05/25/1976 |
