US4011032A — System for liquid cooling of a rotor or a rotary …

Claim 1

Independent Claim 175 words

In a rotary piston mechanism having a housing comprising two housing walls spaced apart by a peripheral wall to define a multi-lobe, trochoidal-shaped cavity and a rotor eccentrically supported for planetary movement within said cavity and which rotor has a hub portion and peripheral wall portions defining cooling spaces therebetween which communicate with the area exteriorly of the rotor through an opening adjacent each end of the hub portion, an improved rotor cooling system comprising: a. a pressurized source of cooling fluid; b. at least one discharge nozzle communicating through a supply passage means with said source of pressurized cooling fluid; c. said nozzle being disposed in one of said housing walls and positioned so as to emit a stream of cooling fluid toward and into said opening in the rotor and the cooling spaces therein; and d. means for controlling flow of cooling fluid through the supply passage means and to the discharge nozzle in accordance with the pressure conditions of the cooling fluid, and the temperature and load operating conditions of the mechanism.

Claim 2

Dependent Claim 175 words

In a rotary piston mechanism having a housing comprising two housing walls spaced apart by a peripheral wall to define a multi-lobe, trochoidal-shaped cavity and a rotor eccentrically supported for planetary movement within said cavity and which rotor has a hub portion and peripheral wall portions defining cooling spaces therebetween which communicate with the area exteriorly of the rotor through an opening adjacent each end of the hub portion, an improved rotor cooling system comprising: a. a pressurized source of cooling fluid; b. at least one discharge nozzle communicating through a supply passage means with said source of pressurized cooling fluid; c. said nozzle being disposed in one of said housing walls and positioned so as to emit a stream of cooling fluid toward and into said opening in the rotor and the cooling spaces therein; and d. means for controlling flow of cooling fluid through the supply passage means and to the discharge nozzle in accordance with the pressure conditions of the cooling fluid, and the temperature and load operating conditions of the mechanism.

Claim 3

Dependent Claim 45 words

The apparatus of claim 1 wherein said flow controlling means is a regulator and valve assembly which is operative at predetermined temperature and pressure values to permit flow and to stop flow below those predetermined values and at small load operating conditions of the mechanism.

Claim 4

Dependent Claim 19 words

The apparatus of claim 1 wherein said means for controlling cooling fluid flow is a regulator and valve assembly.

Claim 5

Dependent Claim 22 words

The system of claim 3 wherein said regulator and valve assembly is accessible exteriorly of the mechanism without disassembly of the latter.

Claim 6

Dependent Claim 125 words

The apparatus of claim 2 wherein the regulator and valve assembly comprises: a. a valve operative in one position to prevent flow of cooling fluid through the supply passage, and operable to another position upon a pre-determined coolant fluid pressure to permit flow of cooling fluid through the supply passage; b. a temperature sensing member in the housing of said mechanism to sense the temperature of the mechanism; c. load control device operative in response to load on the mechanism; and d. interconnecting means for connecting said temperature sensing member and said load control device with said valve so as to maintain said valve or move said valve toward its closed position at a predetermined minimum mechanism temperature or at a predetermined minimum mechanism load.

Claim 7

Dependent Claim 232 words

In a rotary piston mechanism having a housing comprising a plurality of cavities each of which is defined by at least one intermediate wall, a peripheral wall of trochoidal configuration and an end wall, a rotor supported on an eccentric portion of a mainshaft within each cavity so that the rotor planetates within its associated cavity, the mainshaft being supported to extend through an opening in the intermediate wall, each of said rotors having a hub portion and peripheral wall portions to define therebetween a plurality of cooling spaces which communicate with the opening in the intermediate wall through an opening in the rotor adjacent the hub portion and said intermediate wall opening, an improved rotor cooling system comprising: a. a pressurized source of cooling fluid; b. at least one discharge nozzle means disposed in the intermediate wall and communicating through a supply passage means with said pressurized source of cooling fluid to receive the same; c. said discharge nozzle having discharge ports in said intermediate wall opening positioned to direct streams of cooling fluid into the openings and the cooling spaces in each of the rotors located adjacent said intermediate wall; and d. control means for regulating flow of cooling fluid through the supply passage means and to the discharge nozzle in accordance with the pressure conditions of the cooling fluid and the temperature and load operating conditions of the mechanism.

Claim 8

Dependent Claim 232 words

In a rotary piston mechanism having a housing comprising a plurality of cavities each of which is defined by at least one intermediate wall, a peripheral wall of trochoidal configuration and an end wall, a rotor supported on an eccentric portion of a mainshaft within each cavity so that the rotor planetates within its associated cavity, the mainshaft being supported to extend through an opening in the intermediate wall, each of said rotors having a hub portion and peripheral wall portions to define therebetween a plurality of cooling spaces which communicate with the opening in the intermediate wall through an opening in the rotor adjacent the hub portion and said intermediate wall opening, an improved rotor cooling system comprising: a. a pressurized source of cooling fluid; b. at least one discharge nozzle means disposed in the intermediate wall and communicating through a supply passage means with said pressurized source of cooling fluid to receive the same; c. said discharge nozzle having discharge ports in said intermediate wall opening positioned to direct streams of cooling fluid into the openings and the cooling spaces in each of the rotors located adjacent said intermediate wall; and d. control means for regulating flow of cooling fluid through the supply passage means and to the discharge nozzle in accordance with the pressure conditions of the cooling fluid and the temperature and load operating conditions of the mechanism.

Claim 9

Dependent Claim 15 words

The apparatus of claim 6 wherein said control means is a regulator and valve assembly.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1980-03-07	1980-09-06	1981-03-08	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1984-03-07	1984-09-06	1985-03-08	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1988-03-07	1988-09-06	1989-03-08	$7700.00	Window Closed / Lapsed

System for liquid cooling of a rotor or a rotary mechanism

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